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Air Rail Highway Bike/Ped Public Transit

The New Hampshire Department of Transportation (NHDOT) makes these documents available on an "as is" basis. These documents are prepared by the NHDOT for use on NHDOT projects. Others who use the NHDOT documents do so at their own risk.

Bridge Sheets are backed by engineering analysis, calculations, crash testing and are approved by NHDOT Administrators and the Federal Highway Administrration (FHWA). As noted on each Bridge Sheet, only certain details can be modified by designers. If any modifications are made to the details that shall not be modified, the engineer responsible for the modifications becomes the Engineer of Record (EOR) for those details and for all effects the modifications have on other components within the sheet.

Please note that some of the files listed below are extremely large and may take several hours to download depending on your Internet connection.

Aluminum Bridge Rail
DGN Locator Description/Format Approval Date
2BAR Bridge Rail Details (2-Bar Aluminum)
Bridge Rail Details (2-Bar Aluminum)
April 2009
3BAR Bridge Rail Details (3-Bar Aluminum)
Bridge Rail Details (3-Bar Aluminum)
April 2009
4ABR Bridge Rail Details (4-Bar Aluminum)
Bridge Rail Details (4-Bar Aluminum)
April 2009
APP-2BAR Approach Rail Detail (2-Bar Aluminum)
Approach Rail Detail (2-Bar Aluminum)
April 2007
APP-3BAR_BC Approach Rail Detail (3-Bar Aluminum) Use with brush curb
Approach Rail Detail (3-Bar Aluminum) Use with brush curb
April 2007
APP-3BAR_SW Approach Rail Detail (3-Bar Aluminum) Use with Sidewalk
Approach Rail Detail (3-Bar Aluminum) Use with Sidewalk
April 2007
APP-4BAR Approach Rail Detail (4-Bar Aluminum)
Approach Rail Detail (4-Bar Aluminum)
April 2007
AL-SPLICERBAR Bridge Rail Splice Bar Detail - Aluminum
Bridge Rail Splice Bar Detail - Aluminum
April 2007
BALUSTERS Aluminum Baluster Details
Aluminum Baluster Details
April 2007
AL-PROSCREEN Protective Screen with Aluminum Rail
Protective Screen with Aluminum Rail
April 2007
AL-SNOWSCRN Snow Screen with Aluminum Bridge Rail
Snow Screen with Aluminum Bridge Rail
April 2007
Detail Sheets - Expansion Joints
DGN Locator Description/Format Approval Date
Type A 90 Strip Seal Expansion Joint (Normal Crossing)
Strip Seal Expansion Joint (Normal Crossing)
January 2008
Type A Lt Strip Seal Expansion Joint (Skewed Left)
Strip Seal Expansion Joint (Skewed Left)
January 2008
Type A Rt Strip Seal Expansion Joint (Skewed Right)
Strip Seal Expansion Joint (Skewed Right)
January 2008
Detail Sheets - Bridge Rail
DGN Locator Description/Format Approval Date
T2_BR-RAIL T2 Bridge Rail (PL2)
T2 Bridge Rail (PL2)
April 2007
T3_BR-RAIL T3 Bridge Rail (PL2)
T3 Bridge Rail (PL2)
April 2009
T3SP_APPRAIL T3 Steel Bridge Rail (Steel Posts)
T3 Steel Bridge Rail (Steel Posts)
August 2010
T4_BR-RAIL T4 Steel Bridge Rail
T4 Steel Bridge Rail
April 2007
T4SP-APPRAIL T4 Steel Bridge Approach Rail (Steel Posts)
T4 Steel Bridge Approach Rail (Steel Posts)
August 2010
T2-SNOWSCRN Snow Screen with Steel Bridge Rail
Snow Screen with Steel Bridge Rail
April 2007
T2SP-APPRAIL T2 Steel Bridge Approach Rail (Steel Posts)
T2 Steel Bridge Approach Rail (Steel Posts)
August 2010
BR-PROSCREEN Protective Screen with Steel Bridge Rail
Protective Screen with Steel Bridge Rail
April 2007
Detail Sheets - T101
DGN Locator Description/Format Approval Date
T101-3BROWN T101 Bridge & Approach Rail (Steel Posts) Brown
T101 Bridge & Approach Rail (Steel Posts) Brown
November 2010
T101-3GALV T101 Bridge & Approach Rail (Stee Postsl) Galvanized
T101 Bridge & Approach Rail (Steel Posts) Galvanized
November 2010
T101-7BROWN T101 Bridge & Approach Rail (Steel Posts) Brown
T101 Bridge & Approach Rail (Steel Posts) Brown
November 2010
T101-7GALV T101 Bridge & Approach Rail (Steel Posts) Galvanized
T101 Bridge & Approach Rail (Steel Posts) Galvanized
November 2010
TOWN-BGR Rural Town T101 Bridge & Approach Rail
Rural Town T101 Bridge & Approach Rail
November 2010
Detail Sheets - Bridge Signs
DGN Locator Description/Format Approval Date
SIGN-BRACKETS Typical Bridge Mounted Sign Brackets
Typical Bridge Mounted Sign Brackets
April 2007
Detail Sheets - Deck Panels
DGN Locator Description/Format Approval Date
DECKPANELS_HS25 Precast Concrete Deck Panel Details
Precast Concrete Deck Panel Details
January 2011
DECKPANELS_HL93 Precast Concrete Deck Panel Details
Precast Concrete Deck Panel Details
January 2011
Detail Sheets - Lane Closure
DGN Locator Description/Format Approval Date
PCB4-3LP10 Portable Concrete Barrier
Portable Concrete Barrier
April 2007
PCB4-3LP20 Portable Concrete Barrier
Portable Concrete Barrier
April 2007
Detail Sheets - Soundwalls
DGN Locator Description/Format Approval Date
SOUNDWALL1 Wood Panel Soundwall 1 of 3
Wood Panel Soundwall 1 of 3
April 2007
SOUNDWALL2 Wood Panel Soundwall 2 of 3
Wood Panel Soundwall 2 of 3
April 2007
SOUNDWALL3 Wood Panel Soundwall 3 of 3
Wood Panel Soundwall 3 of 3
April 2007
SOUNDWALL4 Soundwall Location Chart
Soundwall Location Chart
April 2007




New Hampshire Department of Transportation
PO Box 483 | 7 Hazen Drive | Concord, NH | 03302-0483
Tel: 603.271-3734 | Fax: 603.271.3914

copyright 2009. State of New Hampshire