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HWY CAMBRIDGE ST over WATER CHARLES RIVER

Map

Coordinates:
+42.36124, -71.11675
42°21'40" N, 71°07'00" 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:13.1 ft. [4.0 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 2017

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:30,400 [as of 2017]
Truck traffic:6% 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]
Sufficiency rating:45.5
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$6,298,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2017Poor-PoorFair3040045.5
July 2015Poor-PoorFair3210045.1
July 2013Poor-PoorFair3210045.1
July 2011Poor-PoorFair3210045.1
July 2009Poor-PoorFair3210045.1
July 1999Fair-SatisfactorySatisfactory1990074.5
July 1995Fair-SatisfactorySatisfactory2746274.3
July 1993Fair-SatisfactoryFair2474762.0
July 1991Poor-FairPoor2400047.9

Element Data

Source: National Bridge Elements dataset, 2018 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