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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
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

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 

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. ratingEvaluationDeckSuper.Sub.ADT
July 201561.2Not deficientGoodFairSatisfactory15800
July 201361.2Not deficientGoodFairSatisfactory15800
July 201175.1Not deficientGoodFairSatisfactory15800
July 200976.6Not deficientGoodFairSatisfactory14600
July 200522.0Structurally deficientPoorPoorSerious14600
July 200322.0Structurally deficientPoorPoorSerious14600
July 200137.6Structurally deficientFairPoorSerious1900
July 199937.6Structurally deficientFairPoorCritical1900
July 199753.1Structurally deficientFairPoorPoor1700
June 199558.6Not deficientSatisfactoryFairFair8900