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HWY CAMBRIDGE ST over WATER CHARLES RIVER

Map

Coordinates:
+42.36111, -71.11722
42°21'40" N, 71°07'02" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:HWY CAMBRIDGE ST over WATER CHARLES RIVER
Structure number:B160064F3DOTNBI
Old structure number:MDC896061100 (from 1992 edition)
Location:.4 MI E OF N HARVARD ST
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:75.1 ft. [22.9 m]
Total length:210.0 ft. [64.0 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:61.4 ft. [18.7 m]
Vertical clearance below bridge:16.1 ft. [4.9 m]
Skew angle:21°
Owner:State Highway Agency [01]
Year built:1925
Historic significance:Bridge is on the National Register of Historic Places [1]
Number of main spans:3
Main spans material:Concrete [1]
Main spans design:Arch - Deck [11]
Deck type:Not applicable [N]

Latest Available Inspection: July 2015

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:32,100 [as of 2015]
Truck traffic:3% of total traffic
Superstructure condition:Poor [4 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Meets minimum tolerable limits to be left in place as is [4]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour conditions; field review indicates action is required. [4]
Operating rating:59.5 tons [54.1 metric tons]
Inventory rating:35.8 tons [32.5 metric tons]
Sufficiency rating:45.1
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$6,844,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201545.1Poor-PoorFairSD32100
July 201345.1Poor-PoorFairSD32100
July 201145.1Poor-PoorFairSD32100
July 200945.1Poor-PoorFairSD32100
July 199974.5Fair-SatisfactorySatisfactoryFO19900
July 199574.3Fair-SatisfactorySatisfactoryFO27462
July 199362.0Fair-SatisfactoryFairFO24747
July 199147.9Poor-FairPoorSD24000

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Reinforced Concrete Archlinear ft.1800521280
Substructure
Reinforced Concrete Pier Walllinear ft.157015070
Reinforced Concrete Abutmentlinear ft.1771245300
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.70305032000