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HWY CONGRESS ST over WATER FORT POINT CHANNEL

Map

Coordinates:
+42.35195, -71.05133
42°21'07" N, 71°03'05" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:HWY CONGRESS ST over WATER FORT POINT CHANNEL
Structure number:B1603238AMUNNBI
Old structure number:38AMUN896032100 (from 1992 edition)
Location:OVER FT POINT CHANNEL
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:93.8 ft. [28.6 m]
Total length:546.9 ft. [166.7 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:45.6 ft. [13.9 m]
Vertical clearance above deck:25.6 ft. [7.8 m]
Vertical clearance below bridge:3.3 ft. [1.0 m]
Owner:City or Municipal Highway Agency [04]
Year built:1850
Year reconstructed:2009
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Steel [3]
Main spans design:Truss - Thru [10]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: July 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:15,800 [as of 2017]
Truck traffic:10% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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 assessed or calculated scour condition. [5]
Sufficiency rating:61.2
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$12,025,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2017FairGoodFairSatisfactory1580061.2
July 2015FairGoodFairSatisfactory1580061.2
July 2013FairGoodFairSatisfactory1580061.2
July 2011FairGoodFairSatisfactory1580075.1
July 2009FairGoodFairSatisfactory1460076.6
July 2005PoorPoorPoorSerious1460022.0
July 2003PoorPoorPoorSerious1460022.0
July 2001PoorFairPoorSerious190037.6
July 1999PoorFairPoorCritical190037.6
July 1997PoorFairPoorPoor170053.1
June 1995FairSatisfactoryFairFair890058.6

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.2,3191,83948000
Steel Protective Coatingsq. ft.20,32817,3283,00000
Steel Stringerlinear ft.3,3563,3431300
Steel Protective Coatingsq. ft.12,83812,7588000
Deck
Reinforced Concrete Decksq. ft.27,66027,5709000
Wearing Surfacessq. ft.14,33814,338000
Superstructure
Steel Trusslinear ft.47826352100
Steel Protective Coatingsq. ft.2,8872,08780000
Steel Floor Beamlinear ft.5,7295,00907200
Steel Protective Coatingsq. ft.49,15543,1556,00000
Substructure
Masonry Pier Walllinear ft.3903603000
Masonry Abutmentlinear ft.1505010000
Reinforced Concrete Pile Cap/Footinglinear ft.714714000
Steel Pier Caplinear ft.8888000
Steel Protective Coatingsq. ft.7,3767,376000
Deck
Concrete Filled Grid Decksq. ft.6,2466,241500
Joints
Strip Seal Jointlinear ft.37627610000
Bearings
Movable Bearingeach2451900
Fixed Bearingeach58431410
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.1,0971,093400
Steel Protective Coatingsq. ft.2,7692,769000
Other Material Bridge Raillinear ft.1,0971,07710100