Culvert Skew ( Ne g

LEFT END
GENERAL NOTES:
RIGHT END
90°
135°
90°
45°
Left Exterior
Valid Skew
(SW)
Barrel Wall
Angle Range
225°
-50°
WINGWALL
135°
45°
Direction of Stationing
WINGWALL
LIVE LOAD: HL-93.
(SW)
CONSTRUCTION LOADING: It is the construction Contractor's responsibility to provide for
Valid Skew
supporting construction loads that exceed AASHTO HL-93, and any construction load
Angle Range
applied prior to 2 feet of compacted fill placed above the top slab.
SURFACE FINISH: All concrete surfaces shall receive a general surface finish.
225°
SKEWED CONSTRUCTION JOINTS: Construction joints in barrels of culverts with skewed
wingwalls may be placed parallel to the headwalls and the reinforcing steel, and the slabs
-50°
may be cut provided that the cut reinforcing steel extends beyond the construction joint
enough for splices to be made in accordance with Table 1 on this sheet. The cost of
� Culvert
construction joints and additional reinforcing shall be at the expense of the Contractor.
Ri
g
h
tHe
a
d
wa
l
l
Left Headwall
Va
l
i
d Sk
e
w An
g
l
e
Va
l
i
d Sk
e
w An
g
l
e
Ranges (SR)
CULVERT EXTENSIONS: For cut backs and ties into existing concrete box culverts see
Sheet 6 of 7.
Ranges (SL)
+50°
+50°
REINFORCING STEEL: See the "Box Culvert Data Tables" in the Contract Plans for grade
225°
and bar spacing. See the Reinforcing Bar List in the Contract Plans for bar sizes and
225°
bar bending details.
Valid Skew
Angle Range
Valid Skew
Right Exterior
(SW)
(SW)
Angle Range
Barrel Wall
LEFT BEGIN
Culvert Skew
45°
135°
45°
SCHEMATIC "A" - PLAN VIEW
90°
135°
(
Ne
g
a
t
i
v
e Sk
e
w)
90°
HEADWALL & WINGWALL ALIGNMENT
WINGWALL
RIGHT BEGIN
Fo
r He
a
d
wa
l
lSk
e
w
WINGWALL
a
n
d Wi
n
g
wa
l
lSk
e
ws
,
90°
Se
e Sc
h
e
ma
t
i
c"
A"
NOTE: All headwall and culvert skew angles are measured in degrees from
f
o
n
o
g
i
t in
c
e on
r
i
i
t
D
ta
S
a line perpendicular to the centerline of culvert (counter-clockwise
C:
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positive),
see Schematic "B".
� Culvert
Le
ft
in
E
gw
nd
al
l
le
ng
th
Fo
r He
a
d
wa
l
lSk
e
w
a
n
d Wi
n
g
wa
l
lSk
e
ws
,
Se
e Sc
h
e
ma
t
i
c"
A"
SCHEMATIC "B" - PLAN VIEW
CULVERT ALIGNMENT
W
Co
n
s
t
r
u
c
t
i
o
nJ
o
i
n
ti
n
NO
T
E: Fo
r Cu
l
v
e
r
tSk
e
ws
e
e Co
n
t
r
a
c
tPl
a
n
s
.
Fo
o
t
i
n
gp
e
r
mi
t
t
e
d
Ex
t
e
r
i
o
r Ba
r
r
e
lWa
l
l
TABLE 1 - MINIMUM BAR SPLICE LENGTHS
Construction Joint
FOR LONGITUDINAL REINFORCING
Limits of sloped
BAR
Co
n
s
t
r
u
c
t
i
o
nJ
o
i
n
ti
n
Front Tip
Ex
t
e
r
i
o
r Ba
r
r
e
l Wa
l
l
H eight (
H e)
Le
ft
in
B
gw
eg
in
al
l
le
ng
th
Wi
n
g
wa
l
lr
e
q
u
i
r
e
d
top surface (Lw)
Sheet 5)
SIZE
SPLICE (CLASS B)
CLASS II
CLASS IV
BAR
SIZE
(3400 psi) (5500 psi)
(
H s)
Front Tip
W ingwall H eight
(See Detail "F",
Front Tip
Front Tip Height
W
(He) (1'-6" Min.)
SPLICE (CLASS B)
CLASS II
CLASS IV
(3400 psi) (5500 psi)
#3
1'-0"
1'-0"
#8
3'-6"
2'-9"
#4
1'-4"
1'-4"
#9
4'-5"
3'-6"
#5
1'-8"
1'-8"
#10
6'-7"
4'-5"
#6
1'-11"
1'-11"
#11
7'-10"
6'-5"
#7
2'-8"
2'-3"
TABLE 1 NOTE: Splice lengths are based on an AASHTO
Class B tension lap splice for the Specification Section 346
concrete class shown.
Co
n
s
t
r
u
c
t
i
o
nJ
o
i
n
ti
n
RD960DM
Fo
o
t
i
n
gp
e
r
mi
t
t
e
d
Half Elevation showing
Half Elevation showing
Parallel Wingwalls
Tapered Wingwalls
PART PLAN SHOWING PARALLEL WINGWALLS
END ELEVATION
AND LOCATION OF CONSTRUCTION JOINTS
OF CULVERT
10:
36:
49 AM
NOTE:
Construction Joints in wingwalls and footings are located as follows:
For non-skewed wingwalls they are located adjacent to the exterior
face of the exterior barrel wall; when the � of wingwall and � of
exterior barrel wall results in an acute angle see Left End Wingwall
above, and when the angle is obtuse see Left Begin Wingwall above
LAST
REVISION
07/01/13
REVISIO N
6/5/2014
and Detail C (Sheet 5).
DESCRIPTION:
INDEX
2015
DESIGN STANDARDS
CONCRETE BOX CULVERT DETAILS (LRFD)
NO.
289
SHEET
NO.
1of 8
Bars 110 top mat (see Note 1)
A
Tt
Bars 111 bottom mat
Half Bar
Bars 101
Space ±
Hs
(
see Note 2)
Bars 412 W all to Box Dowel Bars,
soil side
Bars 405
Bars 403
soil side
Bars 103
(
See Note 3)
Bars 407 (Dowels)
(See Note 3)
exposed side
Typical Space
Bars 404
Typical Space
(when Req'd.)
Bars 402
(Typ.)
Bars 408 (Dowels)
He
Cover
(Tied to Bars 407)
(
1'
-6" M in.
)
4" (
Typ.
)
Bars 108
Bars 401 soil side
Bars 407 or
(
see Note 2)
(
see Note 2)
Wc
Bars 108
(See Note 3)
Tw
Bars 114 each m at
Chamfer (Typ.)
Hc
Bars 113 each m at
2" x 2"
Tw
Bars 406 exposed side
(
Typ.
)
Cover
Bars 105
Bars 102
exposed side
(Typ.)
Tb
Space ±
(Typ.)
2'
-0"
Rd
Bars 106
Half Bar
Bars 104
Bars 109 top mat
Construction
Bars 411
Bars 112 bottom mat (see Note 1)
Joint (Typ.)
TYPICAL SECTION THRU SINGLE BARREL CULVERT
Half Bar
Bars 409 top mat
Half Bar
Space ±
Bars 410 bottom mat
Space ±
CULVERT BARREL NOTES:
Lw
1. Space Bars 110 and 112 with a bar in each corner, and at the � of interior walls (for
� Construction
Joint (See Note 1)
A
in the Contract Plans. Adjust last bar spacing when required.
2. Place Bars 113 and 114 at spacing shown in the Contract Plans evenly between
WINGWALL ELEVATION - Variable Height
Bars 109 and 111.
3.
(Left End shown - other corners similar)
Locate the first transverse bar from the ends of the culvert at one half the bar
Rw
Varies
(Typ.)
(
3" M in.
)
Chamfer
ß (Typ.)
Tt
Bars 111 bottom mat
Half Bar
Bars 101
Space ±
(Typ.)
Bars 107
Joint (Typ.)
@ 8" spacing
shown as ( )
(Typ.)
Rt
WINGWALL NOTES:
1. Align construction joint perpendicular to wingwall.
2. In the vicinity of the construction joint, field bend
reinforcement as necessary to maintain minimum
reinforcement cover.
3. For constant height wingwalls, variable length Bars
403, 405 & 408 are not required, and as such
the limits of Bars 401 & 407 extend the full length
Rh
of the wingwall, and the limits of Bars 402 & 404
Bars 409
Bars 104
extend to the full height of the wingwall.
Rd
2'
-0"
Tb
Construction
(Typ.)
Dowel Bars 412
Bars 103
Bars 106
Space ±
Bars 404 (
405 Varies)
Bars 108
(
see Note 2)
Ti
Right Exterior Barrel W all
(Typ.)
(
Typ.
)
Cover
Cover
Tw
Bars 114 each m at
Hc
Wc
for Interior W alls)
Bars 107
Bars 115 each m at
(Typ.)
(
Bars 116, 117, if Req'
d.
Chamfer
4" (
Typ.
)
(
see Note 2)
Left Exterior Barrel W all
Bars 113 each m at
2" x 2"
Bars 401
Bars 402 (
403 Varies)
Bars 406
Bars 105
Bars 102
Half Bar
10:
36:
51 AM
Varies
2"x2"
Bars 110 top mat (see Note 1)
(
3" M in.
)
spacing, but provide the minimum reinforcement cover and not greater than 4" clear.
RD960DM
C:
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multiple barrel culverts only), and the remaining bars placed at equal spacing shown
Bars 407
Bars 109 top mat
Bars 410
or Bars 408
Bars 112 bottom mat (see Note 1)
TYPICAL SECTION THRU MULTIPLE BARREL CULVERT
1'-0"
312"
Bars 411 each face
312"
6/5/2014
@ equal spacing
LAST
REVISION
07/01/13
REVISIO N
WINGWALL SECTION A-A
DESCRIPTION:
INDEX
2015
DESIGN STANDARDS
CONCRETE BOX CULVERT DETAILS (LRFD)
NO.
289
SHEET
NO.
2 of 8
Left End Wingwall,
Right End Wingwall,
h
R
(Reinforcing Bars 401-412)
SR,Ri
ght
He
ad
w
(
al
s
l
ho
S
wn
k
e
)
w
(T
y
p
.)
SW (Typ.) Wingwall Skew
(Sheet 5)
Skew (- shown)
Space
Bars 106 (Bottom corner of Barrel)
Bars 108 (Inside Face)
L
w
End Culvert (See Note 1)
.)
p
y
(T
.)
p
y
(T
Cul
ver
tS
ke
w
(
Se
e
An
No
g
t
e
l
e
1)
See Detail "D",
SL, Left Headwall
Normal
Bars 101 (Top mat of Top Slab), Bars 102 (Bottom mat of Top Slab)
Space
t
R
Normal
w
R
.)
p
y
(T
(Reinforcing Bars 601-612)
Lc (Length at � of Culvert)
WP (See
Note 2)
w
lh
See Detail "E",
Bars 301 (Top mat, Right Skew)
(Sheet 5)
Bars 202 (Bottom mat, Left Skew)
S
ta
t
o
n
in
g
Bars 109 (
Top m at)
B
Bars 201 (Top mat, Left Skew)
Bars 112 (
Bottom m at)
Bars 804 (Right Headwall)
o
f
Bars 801 (Left Headwall)
i
ir
e
c
ti
o
n
Bars 102 (Bot. mat)
D
Bars 110 (
Top m at)
Bars 101 (Top mat)
Bars 301 & 302 (Right Skew) (Typ.)
Bars 111 (
Bottom m at)
Bars 201 & 202 (Left Skew)
Bars 303 (Top mat, Right Skew)
Bars 203 (Top mat, Left Skew)
Bars 103 (Top mat)
Bars 304 (Bottom mat, Right Skew)
Bars 104 (Bot. mat)
Bars 204 (Bottom mat, Left Skew)
Brcw
� Culvert
Bars 303 & 304 (Right Skew)
Bars 203 & 204 (Left Skew) (Typ.)
Bars 302 (Bottom mat, Right Skew)
WP (See
Bars 811 (Right Cutoff Wall)
Note 2)
Bars 808 (Left Cutoff Wall)
Begin Culvert
Bars 108 (Inside Face)
(See Note 1)
SW (Typ.) Wingwall Skew
C:
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Bars 105 (Top corner of Barrel)
Left Begin
Right Begin Wingwall,
Wingwall,
Bars 103 (Top mat of Bottom Slab
(Reinforcing
(Reinforcing Bars 701-712)
Bars 104 (Bottom mat of Bottom Slab)
Bars 501-512)
Slab Reinforcing Steel within these
Slab Reinforcing Steel within these
Slab Reinforcing Steel within these limits apply for the nonskewed portion of slabs
limits apply for the skewed portion
limits apply for the skewed portion
of culvert slabs when the left
of culvert slab when the right
Headwall is skewed.
Headwall is skewed.
PARTIAL PLAN TOP SLAB
PARTIAL PLAN BOTTOM SLAB
(Left Side, Left Skew)
SINGLE BARREL BOX CULVERT
(Right Side, Right Skew)
(Skewed Culvert With Parallel Wingwalls Shown)
NOTES:
1. See Contract Plans for Culvert location, Culvert
Center of Traffic Lanes
Skew Angle and Roadway Cross Section.
2. WP = Working Point, used for wingwall layout and
location of construction joint. See Detail "C" (Sheet 5).
X
1
Side Slope 1:X
Depth of fill (do not use upper or
See Detail "J",
lower points in normal or superelevated
(Sheet 5)
roadway sections unless so directed by
Half Bar Space ±
Bars 803
the Structures Design Office.)
Bars 806
Bars 802
Bars 805
Bars 110
(Typ.)
Bars 108 ~ Interior
Bars 111
Face (Exterior Wall)
Bars 113 & 114 Exterior
Bars 107 ~ Each Face
Walls (Each Face)
Bars 105/Bars 106 ~ Exterior
RD960DM
(Typ.)
Construction Joint
Bars 115, 116... Interior Walls
Face (Exterior Wall)
(Interior Wall - Multiple Barrels only)
(Each Face, Multiple Barrels only)
4" (Typ.)
Bars 109
Construction Joint
Bars 112
10:
36:
52 AM
Bars 809
Bars 812
Half Bar Space ±
Bars 808
(Typ.)
Bars 811
See Detail "K"
(Sheet 5)
Partial Section showing Exterior Walls
Partial Section showing Interior Walls (Multiple Barrels only)
(Typ.)
6/5/2014
LONGITUDINAL SECTION THRU CULVERT
LAST
REVISION
01/01/07
REVISIO N
(Transverse Top & Bottom Slab Reinforcing Not Shown For Clarity)
DESCRIPTION:
INDEX
2015
DESIGN STANDARDS
CONCRETE BOX CULVERT DETAILS (LRFD)
NO.
289
SHEET
NO.
3 of 8
Cu
l
v
e
r
t
Sk
e
w An
g
l
e
(
Se
e No
t
e 1)
(
-s
h
o
wn
)
SL
w
e
tSk
f
e
L
)
n
w
o
h
+s
(
SR
Ri
g
h
tSk
e
w
(
-s
h
o
wn
)
Lc (Length at � of Culvert)
Bars 105 (Top corner of barrel)
Bars 106 (Bottom corner of barrel)
Bars 108 (Inside Face)
Bars 108 (Inside Face)
Right End Wingwall
Slab Reinforcing Steel within these limits apply for the nonskewed portion of slabs
(Reinf. Bars 601-612)
Bars 101 (Top mat of Top Slab), Bars 102 (Bottom mat of Top Slab)
Bars 103 (Top mat of Bottom Slab), Bars 104 (Bottom mat of Bottom Slab)
Normal
Normal
End Culvert (See Note 1)
Space
Space
Left End Wingwall
(Reinf. Bars 401-412)
Bars 203 (Top mat, Left Skew)
Bars 202 (Bottom mat, Left Skew)
Bars 304 (Bottom mat, Right Skew)
Bars 804 (Right Headwall)
Bars 101 (Top mat)
C:
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dgn
Bars 102 (Bottom mat)
See Detail "C",
6"
1'
of
Sta
tio
nin
g
Bars 109 (
Top m at)
Bars 801 (Left Headwall)
D ir
ect
ion
Ti
Bars 301 & 302 (Right Skew) (Typ.)
Bars 110 (
Top m at)
Bars 201 & 202 (Left Skew)
Bars 111 (
Bottom m at)
Bars 302 (Bottom mat, Right Skew)
Wc
Bars 301 (Top mat, Right Skew)
(
Typ.
)
Bars 303 (Top mat, Right Skew)
Bars 112 (
Bottom m at)
WP (See Note 2)
WP (See Note 2)
Bars 201 (Top mat, Left Skew)
Bars 204 (Bottom mat, Left Skew)
Bars 303 & 304 (Right Skew)
Bars 203 & 204 (Left Skew) (Typ.)
� Culvert
See Detail "G"
Bars 103 (Top mat)
(Sheet 5)
Bars 104 (Bottom mat)
Br
c
w
hw
Bl
Bars 812 (Right Cutoff Wall)
Bars 809 (Left Cutoff Wall)
(Sheet 5) Wingwall
WP (See Note 2)
to Box Connection
See Detail E (Sheet 5),
Chamfer Requirements
WP (See Note 2)
SW (Typ.)
Begin Culvert (See Note 1)
Wingwall Skew
Left Begin Wingwall
Right Begin Wingwall
(Reinf. Bars 501-512)
Partial Plan Top Slab
Partial Plan Bottom Slab
(Reinf. Bars 701-712)
SW (Typ.)
Lw
Wingwall Skew
)
.
yp
(T
PARTIAL PLAN TOP SLAB
PARTIAL PLAN BOTTOM SLAB
(Left Side, Left Skew)
(Right Side, Right Skew)
Rt
Rh
MULTIPLE BARREL BOX CULVERT
)
p.
Ty
(
Rw
)
p.
Ty
(
)
p.
Ty
(
RD960DM
(Skewed Culvert With Skewed Wingwalls Shown)
NOTES:
10:
36:
52 AM
1. See Contract Plans for Culvert Location,
Culvert Skew Angle and Roadway Cross Section.
2. WP = Working Point, used for wingwall layout and
LAST
REVISION
01/01/07
REVISIO N
6/5/2014
location of construction joint. See Detail C (Sheet 5).
DESCRIPTION:
INDEX
2015
DESIGN STANDARDS
CONCRETE BOX CULVERT DETAILS (LRFD)
NO.
289
SHEET
NO.
4 of 8
NOTES:
Bars 412 (Left End Wingwall)
Coarse Aggregate
See Detail "F"
See Detail "G"
Bars 712 (Right Begin Wingwall) (Typ.)
1. For small angles, the Contractor may elect to fill the area between the
box and the wingwall footing with unreinforced concrete. For wingwall skew
Bars 512 (Left Begin Wingwall)
2'-0" (Typ.)
angles less then 90 degrees, field bend wingwall reinforcement as necessary
Bars 612 (Right End Wingwall) (Typ.)
1'
-0"
3" Ø Weep Hole with
continuous Underdrain
while maintaining cover. No additional payment will be made for this work.
Type D-3 Filter
1
2
1
2. Location of Construction Joint determined by WP at theoretical intersection of:
- Soil side face of Headwall and outside face of Box Exterior Wall, for SW≤90°;
Fabric
(See Detail B)
- Outside face of Wingwall and outside face of Box Exterior Wall, for SW>90°.
(Min.)
6"
W all H eight
(
H e and H s)
1
L '
a 0"
p
1
3. Provide 6" chamfer when angle 'A' is greater than 45°. Maintain
Underdrain Pipe
(See Index 286)
minimum wall thickness. Field adjust reinforcing to maintain cover.
4. Wingwall Skew Angles (SW) are measured from the adjacent box
exterior wall to the wingwall.
5. Turn or extend Wingwall Cutoff Wall as necessary to meet Box Cutoff Wall.
2'-0"
6. Provide additional reinforcement in the top of the top slab below traffic
Hlcw (Left)
1'-0" Min.
Slope of
Hrcw (Right)
(Typ.)
Backfill
6"
Provide additional 3" Ø Weep
1'-6"
railings to ensure a minimum area of 0.80 sq. in./ft. transverse reinforcing.
Holes @ 10'-0" spacing when
DETAIL "B"
base of Wingwall is exposed
Blhw
END ELEVATION
UNDERDRAIN DETAIL
(Showing Constant Height And
(Similar to Type II ~ Index 286)
2" x 2"
Bars 801
Chamfer
Variable Height Wingwalls)
(Bars 804)
(Typ.)
Traffic Railing Barrier
(32" F-Shape shown)
Headwall
Bars 803
Optional
(Bars 806)
Construction
Joint (Typ.)
Align Exposed Face of
Construction Joint
Wingwall with Inside
(See Note 2)
Face of Box Exterior Wall
See Traffic Railing Index
for reinforcing details
6" x 6"
Chamfer
Roadway Surface
Construction
(Typ.)
Joint required
Cutoff Wall
Varies (4" Min. if optional
1Ƃ"
(See Note 5)
Ƃ" Chamfer
DETAIL "J"
Optional
WP
See Note 1
(SW>90°)
Wingwall
Bars 802 (Bars 805) (Typ.)
Const. Joint provided)
Exterior Wall of Box
Construction Joint
LEFT HEADWALL SECTION
(Right Headwall similar)
8" Min. TL-4 Traffic Railing
SW (See Note 4)
Bars 803 (Bars 806)
10" Min. TL-5 Traffic Railing
End of Barrel &
Min. #5 bars @ 8" sp.
Face of Headwall
Wingwall Footing
Edge of
Provide supplemental top bars
(Min. 5'-0" long) (See Note 6)
DETAIL "C" - PLAN VIEW
Ƃ" x Ƃ"
DETAIL "I"
WINGWALL TO BOX CONNECTION
Chamfer
V-Groove at �
6"
H lcw
6"
Ti
Bars 809 (Bars 812)
Interior Wall
6"
RD960DM
6"
6" Top
Wingwall Only
Joint (Typ.)
(Bars 810)
Construction Joint
in Vertical Face of
Optional Construction
Bars 807
Tb
1
2"
Chamfer
1'-6"
TRAFFIC RAILING ATTACHMENT TO HEADWALL
(Left Begin Corner Shown, Other Corners Similar)
Cham fer
C:
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dgn
WP (SW≤90°)
Wingwall
Tt
H lhw
Cutoff Wall
Bars 808 (Bars 811)
See Note 1
H
H
6"
6" Side
10:
36:
53 AM
Chamfer
DETAIL "D"
DETAIL "F"
1/3 Ti
1/3 Ti
Angle 'A'
Blcw
(See Note 3)
DETAIL "E"
DETAIL "G"
SECTION H-H
DETAIL "K"
LEFT CUTOFF WALL SECTION
CROSS REFERENCE:
(Right Cutoff Wall similar)
See Sheet 3 for locations of Details "D", "E", "J" & "K".
LAST
REVISION
01/01/10
REVISIO N
6/5/2014
See Sheet 4 for locations of Detail "C".
DESCRIPTION:
INDEX
2015
DESIGN STANDARDS
CONCRETE BOX CULVERT DETAILS (LRFD)
NO.
289
SHEET
NO.
5 of 8
Remove Wingwalls and Footings
Sufficient to Construct
Length for
Length For
Culvert Extension
Estimated Quantities
Estimated Quantities
Longitudinal Reinforcing
C
Steel to be Extended
Longitudinal Reinforcing
Remove Headwall,
into Culvert Extension
Steel to be Extended
Culvert Extension (Lc,
into Culvert Extension
Tabulated on Box Culvert
(See Note 3)
Tie-In
C
Length
Wingwall & Footing
(See Note 3)
Culvert Extension (Lc,
to Construction Joint
Tabulated on Box Culvert
Data Tables for Standard
Cut back Existing
Tie-In
Data Tables for Standard
Box Section Extension)
Walls, Top Slab &
Length
Box Section Extension)
Bottom Slab to
Exist. Box
Box Culvert
Beginning of Radius
Culvert
Extension
(2'-0" Min.)
A
Existing
A
2'-0"
B
Box Culvert
Box
B
Extension
Culvert
Existing
Exist. Box
Box Culvert
Box
Culvert
Extension
Culvert
Box Culvert
Extension
Cut back Existing
Walls, Top Slab &
C
See Transition
Bottom Slab
Exist. Construction Joint
C
See Transition
Detail "L"
Detail L
OUTSIDE WALLS OF BOXES
SECTION A-A
OUTSIDE WALLS OF BOXES
SECTION B-B
FLARED WINGWALL
STRAIGHT WINGWALL
Proposed Side Slope
2'-0" Straight
2'-0" Tapered
Existing
Transition
Transition
Side Slope
NOTES:
1. The Box Culvert Data Tables and Reinforcing Bar List do not include the additional
(See Detail "M")
Existing
Remove Portion of
quantities needed for dowel connections or transitions from double walls of existing
Wingwall
Wingwall less than 1'-0"
concrete box culverts; the cost for additional reinforcement and the thickened
below Proposed Side Slope Surface
concrete wall in the transitional area shall be included in the costs for concrete and
steel in the culvert extension.
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2. Cost for removal and disposal of material from existing headwalls, wingwalls and box,
and cost of cleaning, straightening and extending or doweling longitudinal
reinforcing steel shall be included in the cost for concrete and steel of the culvert
INTERIOR DOUBLE WALLS OF BOXES
SECTION C-C
extension.
3. Remove existing concrete while avoiding damage to existing reinforcement. Clean
2'-0" Straight
2'-0" Tapered
Transition
Transition
and straighten existing reinforcement, lap and tie onto extension reinforcement.
4. Dowel in #4 Bars @ 1'-0" max. spacing into wall/slab when there is a single mat
of existing reinforcing steel, otherwise splice 1'-6" as shown for inside
(See Detail "L")
reinforcement. Use an Adhesive Bonding Material System in accordance with
Specifications Section 416 & 937.
5. Provide additional transverse bars for top and bottom slab, parallel and full width
of any skewed joint connection when shown in the Plans.
6. See Box Culvert Data Table notes in Plans for Connection Types allowed.
INTERIOR SINGLE WALLS OF BOXES
Wrap Filter Fabric
2'-0" Min.
2'-0" Tapered
(See Note 3)
Transition
2'-0" (See Note 3)
1" Min. ~
3" Max.
Face of Existing Headwall or Wingwall
Joint (2'-0" Min. Width)
1'-6" Min.
Field Bend
(Splice Length)
Outside Face of Wall/Slab
as Required
Existing
Existing
Slab or Wall
Walls
Extension Wall
Extension Slab
Thickness
RD960DM
2'-0" Transition
and replaced, for Type I Connection.
Around Construction
3" Min. Cl.
Existing Headwall
Section of Existing Box Culvert to be removed
PLAN VIEWS
or Wall Thickness
See Note 5
See Note 4
10:
36:
54 AM
1'-0" (Min.
Longitudinal Reinforcing
Inside Face of Wall/Slab
Bend horizontal bars to lap with existing
1" Min. ~ 3" Max.
inner wall reinforcement 1'-6" Min.
Embedment)
DETAIL "L" - TRANSITION FOR EXTERIOR WALL/SLAB EXTENSION
DETAIL "M" - TRANSITION FOR INTERIOR DOUBLE WALLS OF BOX CULVERTS
(Interior Single Walls Similar)
6/5/2014
TYPE I CONNECTION DETAILS FOR CONCRETE BOX CULVERT EXTENSIONS
LAST
REVISION
01/01/12
REVISIO N
(CUT BACK EXISTING CONCRETE)
DESCRIPTION:
INDEX
2015
DESIGN STANDARDS
CONCRETE BOX CULVERT DETAILS (LRFD)
NO.
289
SHEET
NO.
6 of 8
Remove Portions of Wingwalls
Length for
Sufficient to Construct
Length for
Culvert Extension
Estimated Quantities
Estimated Quantities
Longitudinal Reinforcing
C
Remove Headwall
Steel to be Extended
Cut back Concrete and
& Wingwall to
into Culvert Extension
Culvert Extension (Lc,
Reinforcing to Face of
Culvert (See Note 3)
C
Construction Joint
Culvert Extension (Lc,
(See Note 3)
2'-0" Additional Payment Length
Tabulated On Box Culvert
For Type II Connection
Data Tables for Standard
Tabulated on Box Culvert
Box Section Extension)
Cut back Existing
2'-0" Additional Payment Length
Data Tables for Standard
For Type II Connection
Box Section Extension)
Walls, to Beginning
Exist. Box
Box Culvert
of Radius or Top
Culvert
Extension
Slab Chamfer
A
Existing
A
B
Box Culvert
Box
B
Extension
Culvert
Box Culvert
Box
Culvert
Extension
Culvert
C
Exist. Construction Joint
Existing
Exist. Box
C
Extension
See Transition
See Transition
Detail N
Detail "N"
OUTSIDE WALLS OF BOXES
SECTION A-A
SECTION B-B
OUTSIDE WALLS OF BOXES
FLARED WINGWALL
Box Culvert
STRAIGHT WINGWALL
NOTES:
2'-0" Tapered
quantities needed for dowel connections or transitions from double walls of existing
Existing
2'-0" Straight
Transition
Transition
(See Detail M)
concrete box culverts; the cost for additional reinforcement and the thickened
Side Slope
concrete wall in the transitional area shall be included in the costs for concrete and
Existing
Remove Portion of Wingwall
Wingwall
and/or Headwalls less than 1'-0"
steel in the culvert extension.
below Proposed Side Slope Surface
Face of Footing
Cut off Wall
2. Cost for roughening and cleaning existing headwalls, wingwalls and box, and cost of
doweling longitudinal reinforcing steel shall be included in the cost for concrete
Trim Wall Reinforcing
and steel of the culvert extension.
to provide 2" Min.
(Location varies)
3. Remove existing concrete and reinforcing back to edge of any chamfers exceeding
Clearance
Existing
1". Roughen and clean existing or exposed surface and coat with a Type A epoxy
Box Culvert
INTERIOR DOUBLE WALLS OF BOXES
bonding compound in accordance with the manufacturer's recommendations.
1" Min. ~
Wall
SECTION C-C
4. Dowel in #5 Bars @ 1'-0" max. spacing horizontally into center of wall/slab. Provide
3" Max. Cl.
vertical dowels in footing to match size, alignment and spacing of outside vertical
2'-0" Tapered
Transition
Transition
(See Detail "L")
wall reinforcing. Use an Adhesive Bonding Material System in accordance with
Wall Reinforcing
Length
2'-0" Straight
1'
-6"
Box Culvert Extension
Splice
Specifications Section 416 & 937.
5. Provide additional transverse bars for top and bottom slab, parallel and full width
of any skewed joint connection when shown in the Plans.
Top of
6. Remove top of existing headwall when necessary to provide 1'-0" clearance below
Bottom Slab
finished grade. Saw cut full width and seal with Type F-2 epoxy compound to
Face of Footing
INTERIOR SINGLE WALLS OF BOXES
PLAN VIEWS
Roughened face of Existing
Wrap Filter Fabric around
7. See Box Culvert Data Table notes in Plans for Connection Types allowed.
See Note 4
Filter Fabric
See Note 3
Existing Toe Slab
2'-0" Tapered Transition
Transition
Existing Toe Slab
Existing Headwall
DETAIL "N"
Varies
& Cutoff Wall
See Note 4
Varies ~ Slabs
See Note 6
Construction Joint (2'-0" Min. Width)
3" Min. Cl.
1'-6" Min.
Field Bend
(Overlap)
Outside Face of Wall/Slab
as Required
Existing
1'-6" Min.
Walls
Slab or Wall
Extension Slab
Thickness
or Wall Thickness
Extension Wall
(Splice Length)
Existing
RD960DM
2'-0" Straight
and Cutoff Wall
2'-0" Transition
2'-0" Min. ~ Walls
Headwall or Wingwall (See Note 3)
Em bedm ent
protect exposed reinforcing.
Cut off Wall
6" M in.
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1. The Box Culvert Data Tables and Reinforcing Bar List do not include the additional
Proposed Side Slope
Bend horizontal bars to lap with dowelled
1'-0" Min.
See Note 5
10:
36:
54 AM
See Note 4
1'-0" (Min.
1" Min. ~ 3" Max.
Inside Face of Wall/Slab
(Embedment)
1" Min. ~ 3" Max.
wall reinforcement 1'-6" Min. (Non-contact
lap splice permitted)
Embedment)
DETAIL "L" - TRANSITION FOR EXTERIOR WALL/SLAB EXTENSION
DETAIL "M" - TRANSITION FOR INTERIOR DOUBLE WALLS OF BOX CULVERTS
(Interior Single Walls Similar)
6/5/2014
TYPE II CONNECTION DETAILS FOR CONCRETE BOX CULVERT EXTENSIONS
LAST
REVISION
01/01/12
REVISIO N
(ADHESIVE DOWEL TO EXISTING CONCRETE)
DESCRIPTION:
INDEX
2015
DESIGN STANDARDS
CONCRETE BOX CULVERT DETAILS (LRFD)
NO.
289
SHEET
NO.
7 of 8
Extremely Aggressive
Extremely Aggressive Environment
5"
12"
10"
3"
4'-3" (Grate)
45°
Each Corner (Typ.)
Slightly & Moderately Aggressive Environment
Environment
3"
2 ~ #7 Bars @
1
2"
12"
Aggressive Environment
1
2"
10"
(Grate)
Slightly & Moderately
1
4"
4'-4"
Thickness
(Typ.)
2'-512"
Norm al slab
1
4"
4"
Thickness
Norm al slab
2'-6"
2 ~ #7 Bars
@ Each Corner
45°
3 ~ #7 Bars @ 3" sp.
1'-0"
For Entire Width of
Additional Concrete Haunch
Culvert Slab (Typ.)
SECTION A-A
4"
Additional Concrete Haunch
Required Only When Normal
Slab Thickness is Less Than
3 ~ #7 Bars @ 3" sp.
Minimum Shown
For Entire Width of
2'-6"
3"
3'-8"
4"
Required Only When Normal
Culvert Slab (Typ.)
1'-0"
Slab Thickness is Less Than
Minimum Shown
SECTION B-B
Use Extra Base When This
Dimension is Less Than 12"
10'-0"
6" Unless Otherwise
3"
� Median Ditch
Shown in Plans
Culvert Wall
Bottom of Base
Culvert Wall
2'-0"
Friable
5"
Base Material
A
1'-0"
A
B
Concrete Box
3'
-1"
2'
-3"
B
Culvert
The cost of furnishing and installing extra friable base
3 ~ #7 Bars
4'
-8"
material shall be included in the cost of the Box Culvert.
FRIABLE BASE
5"
@ 3" Sp. (Typ.)
for Grate detail
for Grate detail
3 ~ #7 Bars
Use Extra Base When This
@ 3" Sp. (Typ.)
Dimension is Less Than 12"
10'-0"
Bottom of Base
� Median Ditch
2 ~ #7 Bars 3'-6" long @ 3" sp.
2'-0"
Coarse
Above Bottom Mat of Reinf. Across
PLAN
Aggregate
Each Corner of Opening (Typ.)
Filter Fabric
(both sides)
1'-0"
INLET TYPE A GRATE
NOTES:
Concrete Box
PLAN
1. Cost of Steel Grating to be included in cost of Box Culvert.
Culvert
2. All reinforcing shall be 2" clear for Slightly and Moderately Aggressive
INLET TYPE B GRATE
Environments, and 3" clear for Extremely Aggressive Environments.
Place coarse aggregate in 6 inch lifts and compact sufficiently
as to be firm and unyielding. Provide coarse aggregate gravel
INLET IN TOP OF BOX CULVERT
or stone meeting the requirements of Specifications Section
901-2 or 901-3 respectively. Meet the gradation requirements
� Bridge Culvert
Location of Number
Paint Recessed
of Specifications Section 901-6, Grades 4, 467, 5, 56 or 57
Surfaces Black
unless restricted in the plans. Provide Type D-3 filter fabric
(See Specifications Section 985). The cost of furnishing and
45°
installing the coarse aggregate and filter fabric shall be
45°
3
8"
000000
RD960DM
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See Index No. 231
See Index No. 230
included in the cost of the Box Culvert.
ASPHALTIC CONCRETE BASE
20' or more
NOTE: Extra base is required when cross box culverts are located
(Bridge Culvert)
on facilities subject to high speed traffic ( >45 mph) or high
10:
36:
55 AM
SECTION THRU RECESSED V-GROOVE
The number is to be placed in the center of
TO FORM INSCRIBED FIGURES
traffic volumes ( >1600 ADT) and the cover is within the
range specified in the notation above.
the top surface of all bridge culvert headwalls.
For Bridge Number see Plan-Profile sheet(s).
Black Plastic Figures 3" in height as approved by the Engineer
may be used in lieu of numbers formed by
6/5/2014
TOP VIEW OF HEADWALL
3
8"
V-Grooves.
V-Grooves shall be formed by preformed figures.
LAST
07/01/14
REVISIO N
BRIDGE CULVERT NUMBER LOCATION
REVISION
EXTRA BASE FOR BOX CULVERTS
CROSSING UNDER FLEXIBLE PAVEMENT
DESCRIPTION:
INDEX
2015
DESIGN STANDARDS
CONCRETE BOX CULVERT DETAILS (LRFD)
NO.
289
SHEET
NO.
8 of 8