GENERAL NOTES:

GENERAL NOTES:
This Standard is only applicable to the current FDOT inventory of temporary bridge components
which are manufactured in accordance with Acrow Series 300, Double Wide design.
STORAGE FACILITY:
Contact
FDOT Statewide Aluminum Shop
Work this Standard with Index Nos. 21610, 21620, 21630 and 21640.
2590 Camp Rd.
STRUCTURAL STEEL:
407-977-6520
Oviedo, Fl.
Steel Plates and Rolled Sections shall be ASTM A709 Grade 36.
For shipping weights and dimensions of Temporary Bridge elements.
Pipe piles shall be ASTM A252 Grade 2, Fy = 35 ksi.
SHIPPING WEIGHTS AND DIMENSIONS:
BOLTS, LAG SCREWS AND THREADED BOLT STOCK:
Furnish high strength bolts in accordance with ASTM A325. Furnish Threaded
Decking Sizes:
Stock in accordance with ASTM A36. Furnish Lag Screws in accordance with ASTM A307.
Furnish steel washers and nuts compatible with Bolts, Threaded Stock and Lag Screws.
TIMBER AND LAGGING:
Timber and Lagging shall be No. 1 Southern Yellow Pine.
BACKWALL BENT PILES:
Timber Piles:
10' Minimum Embedment into compacted backfill or into soil having a blow count greater than 6 (N>6).
Ultimate Capacity greater than 18 tons.
Type
Length
Width
Curb
5'
6'-9"
Weight (lbs.)
800
Curb
10'
6'-9"
1420
Curb
15'
6'-9"
2200
Curb
20'
6'-9"
2800
NonCurb
5'
5'-3"
650
NonCurb
10'
5'-3"
1000
NonCurb
15'
5'-3"
1600
NonCurb
20'
5'-3"
2100
Splices are not allowed on any timber piles.
Shipping weights and dimensions of other bridge components can be
H-Piles:
referenced in "Acrow Panel Bridging, Series 300, Technical Handbook".
12' Minimum Embedment into compacted backfill or into soil having a
blow count greater than 6 (N>6).
TRAFFIC RAILING NOTES:
Ultimate Capacity greater than 18 tons.
See Index 400 for component details, geometric layouts and associated notes not fully
detailed herein.
Shims admissible between backwall pile and cap.
Test piles are not required for backwall piles.
CONCRETE: Concrete for Transition Blocks shall be Class II (Bridge Deck).
EXPANSION BEARINGS:
THRIE-BEAM PANEL: Steel Thrie-Beam Elements shall meet the requirements of AASHTO
Inspect the PTFE (Teflon) layer and stainless steel plate prior to installation.
M180, Type II (Zinc coated).
Do not use bearings that have a severely damaged or unbonded PTFE layer.
Clean PTFE of all grit and grime prior to installation.
BOLTS, NUTS AND WASHERS: Bolts, nuts and round washers shall be in accordance with
Clean Stainless steel plate of all grit and grime prior to installation and finish to a smooth
AASHTO M180. Plate Washers shall be in accordance with ASTM A36 or ASTM A709 Grade 36.
buffed surface.
Do not drill Temporary Bridge components to attach Guardrail. Guardrail Bolts shall be
placed between Truss members as shown in Index 21640.
DISTRIBUTING BEAMS:
Longitudinal stops restraining the distributing beams may be lengthened or shortened to
COATINGS: All Nuts, Bolts, Anchors, Washers and Backer Plates shall be hot-dip galvanized
center the distributing beam bearing on the cap beam.
in accordance with the Specifications.
The longitudinal stops are to bear on the distributing beam end frame.
WOOD BLOCKS: All wood blocks, including required wedge shaped blocks shall be Pressure
EXPANSION JOINT SETTINGS:
Treated Lumber in accordance with Specifications Section 955. Bolt holes in blocks to be
Install the expansion joint considering the total continuous bridge length, location of
centered (±1/4”).
fixed bearings and ambient temperature at the time of installation, assume a 1" expansion
joint opening at 70 degrees F.
PAYMENT:
Temporary Detour Bridge is to be paid for under Contract Unit Price for Special Detour.
If a temporary bridge system other than that shown herein is used, the Contractor is
responsible for renting or purchasing their own system. Payment for Temporary Guardrail
work and Transition Block will be made under Pay Item Temporary Guardrail, LF.
Furnish and install Bridge Thrie-Beam Panels and all associated hardware as shown.
Payment will be made with the Temporary Detour Bridge under the Pay Item Special Detour,
LS. Turn over Bridge Thrie-Beam Panels and all associated hardware to the Department with
LAST
REVISION
07/01/13
REVISIO N
12/17/2015
2:
10:
50 PM
the Detour Bridge components per Specifications Section 102-6.
DESCRIPTION:
INDEX
FY 2016-17
TEMPORARY DETOUR BRIDGE
DESIGN STANDARDS
GENERAL NOTES AND DETAILS
NO.
21600
SHEET
NO.
1of 7
Shoulder Line (see Plans for width requirements, Typ.)
~
Approach Roadway
� Detour Bridge
~
Grade Beam
~
1 : 1ƀ *
Retainer Angles (Typ.)
4" x 10" Timber Lagging
5'-0" Approach Span
with Filter Fabric
1 : 1ƀ *
AB5 or AB6 End Post (Typ.)
1 : 1ƀ *
1 : 1ƀ *
� Backwall Bent
5'-0"
AB7 & AB8 Bearings
Begin or End
(Expansion Bearing
� End Bent
Ramp Span
Detour Bridge
1
Shown Fixed
Bearing Similar)
:1
ƀ
*
(Typ.)
1
:
1
ƀ
*
Edge of Berm
1 : 1ƀ *
1 : 1ƀ *
AB13 Swaybrace Standard (Typ.)
Toe of Fill Slope
24'-0" Clear Roadway Width
AB3 Bracing Frame (Typ.)
AB306 Transom DW (Typ.)
2:
10:
51 PM
AB1 Truss Panels (Typ.)
1'-6"
1'-6"
25'-6"
12/17/2015
TYPICAL PLAN VIEW OF DETOUR BRIDGE
(TIMBER PILES SHOWN, STEEL H PILES AND STEEL PIPE PILES SIMILAR)
* or Flatter
LAST
REVISION
07/01/15
REVISIO N
(Thrie-Beam Panel not shown for clarity, See Index 21640)
DESCRIPTION:
INDEX
FY 2016-17
TEMPORARY DETOUR BRIDGE
DESIGN STANDARDS
GENERAL NOTES AND DETAILS
NO.
21600
SHEET
NO.
2 of 7
End Span 30'-0" Min. (30'-4ƀ " to � Bearing); 60'-0" Max. (60'-4ƀ " to � Bearing)
5'-0"
(� Bearing to � Bearing)
5'-0"
Ramp Span
2'-6"
� Bearing
End Post (Typ.)
Approach Asphalt
Steel Grid Deck & Curb
Underside of Fixed Bearing
1'
-0" 1'
-10ƀ "
5ƃ "
2'
-9Ɔ " ±
Grade Beam
Underside of Expansion Bearing
2'
-8Ɔ "
4'
-9"
Pavement
AB13 Swaybrace
Standard (Typ.)
5'-0" Berm (Min.)
3Ƃ" (AB306 Transom DW Light)
AB505C Distributing Beam
AB7 & AB8 Bearings (Expansion
Stop (Typ. both ends)
Bearing Shown, Fixed
Bearing Similar) (Typ.)
AB23 Distributing Beam End Frames
1ƀ *
with Filter Fabric
1
Bottom of
Truss Panel
AB306 Transom DW (Typ.)
AB22 Distributing Beam with
4" x 10" Lagging
Riding Surface
5'
-1"
AB1 Truss Panels (Typ.)
Truss Panel Depth
AB3 Bracing Frame (Typ.)
AB5 or AB6
3'
-7Ƃ "
Begin or End Detour Bridge
Underside of Fixed Bearing
� Bearing
3'
-8Ƃ " ±
4ƀ "
Underside of Expansion Bearing
2'-6"
5Ɓ" Steel Grid Deck
Approach Span
Intermediate Spans 30'-0" Min. ; 60'-0" Max.
Existing Ground Line
� Backwall Bent
� End Bent
� Typical Intermediate Bent
* or Flatter
ELEVATION VIEW
2:
10:
52 PM
(TIMBER PILES SHOWN, STEEL H PILES AND STEEL PIPE PILES SIMILAR)
LAST
REVISION
07/01/15
REVISIO N
12/17/2015
(Thrie-Beam Panel not shown for clarity, See Index 21640)
DESCRIPTION:
INDEX
FY 2016-17
TEMPORARY DETOUR BRIDGE
DESIGN STANDARDS
GENERAL NOTES AND DETAILS
NO.
21600
SHEET
NO.
3 of 7
28'-6"
1'-6"
12'-9"
12'-9"
1'-6"
24'-0" Clear Roadway
Offset Block
AB2 Raker Bar
� Detour Bridge
Thrie-Beam Panel
AB51 Panel Pins
(Top & Bottom Typ.)
See Index 21640.
Steel Grid Deck & Curb
AB1 Truss Panels (Typ.)
AB7 & AB8 Bearings
(Expansion Bearing
shown, Fixed Bearing
similar) (Typ.)
AB306 Transom DW (Typ.)
AB13 Swaybrace Standard (Typ.)
AB505C Distributing
Contractor supplied foundation com ponents, including
Beam Stop (Typ.)
including Fixed & Expansion Bearings
AB3 Bracing Frame (Typ.)
FDOT supplied Tem porary Bridge Com ponents
� Bearings
� Bearings
AB22 Distributing Beams with AB23
Distributing Beam End Frame (Typ.)
Timber Bent shown for illustration purposes,
See Plans for actual Bent Designs, including
Pile sizes and spacing, bent cap and bracing
requirements.
TYPICAL SECTION THRU DETOUR BRIDGE AT INTERIOR BENTS (TYPICAL SECTION AT END BENTS SIMILAR WITHOUT DISTRIBUTING BEAMS)
LAST
REVISION
07/01/15
REVISIO N
12/17/2015
2:
10:
52 PM
(TIMBER PILES SHOWN, STEEL H PILES AND STEEL PIPE PILES SIMILAR)
see Paym ent Note, Sheet 1 of 7.
� Trusses &
� Trusses &
Guardrail and associated com ponents not included,
12'-0"
Bearing Saddle Plates, Keeper Bars & Shim s.
12'-0"
DESCRIPTION:
INDEX
FY 2016-17
TEMPORARY DETOUR BRIDGE
DESIGN STANDARDS
GENERAL NOTES AND DETAILS
NO.
21600
SHEET
NO.
4 of 7
AB7 Bearing (2 Required for Double Truss)
AB7 Bearing
8ƀ"
AB8 Bearing
1'-5ƀ"
1'-0"
Combined AB7 & AB8 Bearing (Triple Truss)
2'-6"
6" (Typ.)
A
A
4Ƅ" (Typ.)
AB7 Bearing
4Ɓ" (Typ.)
ƀ" Bearing Plate
AB7 or AB8 Bearing
AB7 & AB8 Bearing
1"
2"
Ɔ" Ø Holes (Typ.)
3"
5"
7"
5"
3"
4"
10"
1'
-2"
10"
� Bearing
5"
7"
4"
5"
� Bearing
1"
Teflon
Ƃ" x Ƃ" x 6"
� Truss Outside Panels
2ƀ"
2ƀ" (AB7)
1Ƃ"
2"
(Guide Bars Typ.)
1Ƃ"
B
℅ A36
B
2ƀ"~4"~2@
A
2ƀ" sp. (AB8)
Stainless Steel Plate
4Ɓ" (Typ.)
� Truss Outside Panels
B
PLAN VIEW
AB7 Bearing
AB8 Bearing
B
AB7 Bearing
1Ƃ"
8ƀ"
1Ƃ"
Combined AB7 & AB8 Bearing
1Ƃ"
2'-6"
1Ƃ"
A
3"
3"
PLAN VIEW
AB7 & AB8 Bearing
Ƃ" x Ƃ" x 6"
(Guide Bars Typ.)
Stainless Steel Plate
812"
1'-5ƀ"
VIEW B-B
VIEW B-B
ƀ" Bearing Plate
Teflon (Bonded
℅ A36
to A36 ℅)
VIEW B-B
AB7 & AB8 Bearing
3"
AB7 & AB8 Bearing
Ƃ" x Ƃ" x 6"
4" ±
(Guide Bars Typ.)
2:
10:
53 PM
10"
ƀ" Bearing Plate
12/17/2015
VIEW A-A
VIEW A-A
DETAILS FOR FDOT SUPPLIED EXPANSION BEARINGS
LAST
REVISION
07/01/15
REVISIO N
DETAILS FOR FDOT SUPPLIED FIXED BEARINGS
DESCRIPTION:
INDEX
FY 2016-17
TEMPORARY DETOUR BRIDGE
DESIGN STANDARDS
GENERAL NOTES AND DETAILS
NO.
21600
SHEET
NO.
5 of 7
3" Max. (see Note)
Detour Bridge Superstructure (Truss and
� Truss Pins
� Distributing Beam, � Bearing
Transom members shown dotted)
1'
-4" ±
Fixed Bearings
1'
-5" ±
Expansion Bearings
A
AB505C Distributing Beam Stop
(Typ. both ends)
AB584 Chord Bolts
AB23 Distributing Beam
End Frame (Typ. both ends)
A
AB22 Distributing Beam
Bottom of Bearing, Top of
Bent Cap or Shim Plate
8'-4"
Bent Cap & Bearing Plate shown dashed
¡ Intermediate Bent (see Note)
1'-6" (� to � Trusses)
� Bearing &
� Bearing &
� Distributing Beam
ELEVATION VIEW OF DISTRIBUTING BEAM
9"
� Distributing Beam
9"
(FIXED BEARING SHOWN, EXPANSION BEARING SIMILAR)
(Timber Intermediate Bent shown, Steel Intermediate Bents similar)
6ƀ "
6ƀ "
� End
Dowels (Typ.)
AB505C Distributing
Truss Retainer Plates
B
Lateral Alignment
Frame
type vary)
Note:
� Bearing may be shifted from � Truss Pins
Lateral Alignment
Bracing Bolts
Dowels (Typ.)
as shown, � Intermediate Bent may be shifted
from � Bearing an additional 3" to allow for
pile placement tolerances.
Bracing Bolts
AB23 Distributing
AB23 Distributing
Beam End Frame
Beam End Frame
2"
AB22 Distributing Beam
2:
10:
53 PM
shown dashed
1'-0"
1'-0"
1'
-2"
(location, number and
Distribution Beam
1'
-0" ± Distribution
Truss Retainer Plates
AB505C Distributing Beam Stop
Beam End Fram e
Beam Stop (Typ.)
AB22 Distributing
Beam & Bearing
Block (Typ.)
2'-0"
12/17/2015
B
LAST
REVISION
07/01/15
REVISIO N
VIEW B-B
END VIEW A-A
DISTRIBUTING BEAM END FRAME DETAIL
DESCRIPTION:
INDEX
FY 2016-17
TEMPORARY DETOUR BRIDGE
DESIGN STANDARDS
GENERAL NOTES AND DETAILS
NO.
21600
SHEET
NO.
6 of 7
28'-0"
14'-0"
14'-0"
16'-0"
12'-0"
� 3 x 2 x ƀ x 10" (Typ.)
Grade Beam Straps (Typ.)
Rear Grade Beam Lengths
Deck Hold Down Tabs (Typ.)
1'
-7"
9ƀ " 9ƀ "
10" 7ƀ "
�'s 5 x 5 x ƀ x 12'-3"
10" x 10" (Nominal)
10ƀ"
Ƌ" Ø Holes
2 ~ ƀ" x 1'-7" x 12'-9" Cap ℅
� Detour Bridge
Grade Beam Timbers
(Typ.)
7ƀ"
9 sp. @ 1'-3" = 11'-3"
10ƀ"
9 sp. @ 1'-3" = 11'-3"
12'-9"
12'-9"
1'-3"
Spacing Ƌ" Ø Holes for ƀ" Ø Lag Screws
Cap Plate Lengths
1'-3"
25'-6"
16'-0"
12'-0"
Front Grade Beam Lengths
PLAN VIEW
12'-3"
1'-6"
1'-11"
1'-11"
2'-9"
Deck Hold Down Tabs (Typ.)
� Lengths
12'-3"
3'-1"
1'-1"
1'-1"
3'-1"
2'-9"
1'-11"
1'-11"
1'-6"
Spacing Deck Hold Down Tabs
� 3 x 2 x ƀ x 10" (Typ.)
�'s 5 x 5 x ƀ x 12'-3"
A
Cap ℅
See Detail "B"
4"
ƌ" Ø Hole
(Centered)
1'-0"
4"
10" x 10" (Nominal)
A
Grade Beam Straps (Typ.)
Grade Beam Timbers
5'-0"
5'-0"
2'-0"
1'-0"
1'-0"
2'-0"
5'-0"
5'-0"
1'-0"
ƀ" ℅
Strap Spacing
ELEVATION VIEW
* See General Notes for setting
ANCHOR PLATE DETAIL
widths other than 70° F.
� 5 x 5 x ƀ x 12'-3"
3ƀ"
ƀ" x 1ƀ" x 4" Deck Hold Down Tabs
Ƅ
2ƀ"
Approach Asphalt
Ƅ
Pavement
� 5 x 5 x ƀ x 12'-3"
� 3 x 2 x ƀ x 10"
ƀ" x 1'-7" x 12'-9" Cap ℅
Steel Grid Deck Unit
10" x 10" (Nominal)
(shown dashed)
Grade Beam Timbers
(placed against Grid Deck)
ƀ" Anchor Plate
~
~
* 1" @ 70° F
1ƀ "
Ƃ"
~
Typ. both
(shown dashed)
ends �
Ɓ
3"
3ƀ"
2"
(see Detail)
Steel Grid Deck Unit
ƅ" Ø Threaded Bar placed
ƀ" Ø x 5" Lag Screws (Typ.)
@ Strap locations,
3"
Torque to 25 Lb.-Ft.
~
ƅ" Ø x 6" Lag Screws (Typ.)
OPTIONAL THROUGH BOLT DETAIL
(MAY BE USED IN LIEU OF STRAPS)
2:
10:
54 PM
3"
~
ƃ" x 4" x 2'-10" ± Strap ℅, field
bend to shape (center
ƌ" Ø
DETAIL "B"
holes for Lag Screws in strap)
10" x 10" (Nominal)
12/17/2015
Grade Beam Timbers
GRADE BEAM DETAILS
LAST
REVISION
07/01/06
REVISIO N
SECTION A-A
DESCRIPTION:
INDEX
FY 2016-17
TEMPORARY DETOUR BRIDGE
DESIGN STANDARDS
GENERAL NOTES AND DETAILS
NO.
21600
SHEET
NO.
7 of 7