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HWY CONGRESS ST over WATER FORT POINT CHANNEL

Map

Coordinates:
+42.35229, -71.05209
42°21'08" N, 71°03'08" 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:5.9 ft. [1.8 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 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:15,800 [as of 2015]
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]
Operating rating:38.6 tons [35.1 metric tons]
Inventory rating:23.1 tons [21.0 metric tons]
Sufficiency rating:61.2

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201561.2FairGoodFairSatisfactory-15800
July 201361.2FairGoodFairSatisfactory-15800
July 201175.1FairGoodFairSatisfactory-15800
July 200976.6FairGoodFairSatisfactory-14600
July 200522.0PoorPoorPoorSeriousSD14600
July 200322.0PoorPoorPoorSeriousSD14600
July 200137.6PoorFairPoorSeriousSD1900
July 199937.6PoorFairPoorCriticalSD1900
July 199753.1PoorFairPoorPoorSD1700
June 199558.6FairSatisfactoryFairFair-8900

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.1,9691,8719800
Steel Protective Coatingsq. ft.999999000
Steel Stringerlinear ft.2,1332,0904300
Steel Protective Coatingsq. ft.999999000
Deck
Reinforced Concrete Decksq. ft.27,98627,50248400
Wearing Surfacessq. ft.18,29918,299000
Superstructure
Steel Trusslinear ft.3283121600
Steel Protective Coatingsq. ft.999999000
Steel Floor Beamlinear ft.6,7266,59113500
Steel Protective Coatingsq. ft.999999000
Substructure
Reinforced Concrete Columneach2002000
Masonry Pier Walllinear ft.3180350283
Masonry Abutmentlinear ft.131001310
Reinforced Concrete Pile Cap/Footinglinear ft.90900
Steel Pier Caplinear ft.131131000
Steel Protective Coatingsq. ft.999999000
Deck
Concrete Filled Grid Decksq. ft.6,2433,7672,47600
Steel Protective Coatingsq. ft.1,9981,998000
Joints
Open Jointlinear ft.9898000
Bearings
Movable Bearingeach55114400
Steel Protective Coatingsq. ft.999999000
Fixed Bearingeach5705700
Steel Protective Coatingsq. ft.999999000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.1,1481,148000
Steel Protective Coatingsq. ft.999999000