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US 1 over PISCATAQUA RIVER

Map

Coordinates:
+43.07961, -70.75255
43°04'47" N, 70°45'09" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 1 over PISCATAQUA RIVER
Structure number:021702470008400
Location:NH-MAINE SL
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:296.9 ft. [90.5 m]
Total length:902.6 ft. [275.1 m]
Roadway width between curbs:32.2 ft. [9.8 m]
Deck width edge-to-edge:46.3 ft. [14.1 m]
Vertical clearance above deck:18.0 ft. [5.5 m]
Vertical clearance below bridge:147.6 ft. [45.0 m]
Owner:State Highway Agency [01]
Year built:1921
Year reconstructed:2013
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Number of main spans:3
Main spans material:Steel [3]
Main spans design:Movable - Lift [15]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: October 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:7,900 [as of 2015]
Truck traffic:5% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Better than present minimum criteria [7]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Pier/abutment protection:In place and functioning [2]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:89.2
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$3,142,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2017GoodVery GoodVery GoodVery Good790089.2
August 2016GoodVery GoodVery GoodVery Good1100087.7
June 2015GoodVery GoodVery GoodVery Good1100087.7
November 2013GoodVery GoodVery GoodVery Good1100087.7
February 2012Poor--Poor110004.0
November 2010PoorPoorSeriousFair110006.0
November 2009PoorPoorSeriousFair100006.0
November 2008PoorPoorSeriousFair110006.0
November 2007PoorPoorSeriousFair110006.0
May 2007PoorPoorSeriousFair110006.0
December 2005PoorPoorSeriousFair110006.0
October 2004PoorPoorSeriousFair110006.0
October 2003PoorPoorSeriousFair110006.0
November 2002PoorPoorSeriousFair120006.0
November 2001PoorPoorSeriousFair120006.0
September 2000PoorPoorSeriousSatisfactory110004.0
September 1999PoorFairPoorSatisfactory1100011.5
December 1998PoorSatisfactoryPoorSatisfactory1100012.5
December 1997PoorSatisfactoryPoorSatisfactory1100012.5
November 1996PoorSatisfactoryPoorSatisfactory1100012.5
November 1995PoorSatisfactoryPoorSatisfactory1100028.6
October 1994PoorSatisfactoryPoorSatisfactory1500028.6
July 1993FairSatisfactoryFairGood1500043.6
July 1992FairGoodFairGood1500048.5
November 1990FairGoodFairGood1500048.5

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Stringerlinear ft.3,6003,600000
Steel Protective Coatingsq. ft.100100000
Deck
Reinforced Concrete Decksq. ft.19,26117,4611,80000
Wearing Surfacessq. ft.100100000
Superstructure
Steel Trusslinear ft.1,7821,782000
Steel Protective Coatingsq. ft.100100000
Steel Floor Beamlinear ft.3,8993,899000
Steel Protective Coatingsq. ft.10099100
Substructure
Reinforced Concrete Pier Walllinear ft.218218000
Reinforced Concrete Pier Caplinear ft.235235000
Deck
Concrete Filled Grid Decksq. ft.9,6168,71690000
Steel Protective Coatingsq. ft.100100000
Joints
Assembly with Sealeach9393000
Open Jointlinear ft.9393000
Bearings
Fixed Bearingeach44000
Steel Protective Coatingsq. ft.100100000
Disk Bearingeach88000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.1,8891,889000