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HWY CAMBRIDGE ST over COMB ORANGE & MBTA/BMRR

Map

Coordinates:
+42.38299, -71.07700
42°22'59" N, 71°04'37" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

Name:HWY CAMBRIDGE ST over COMB ORANGE & MBTA/BMRR
Structure number:B1606638DMUNNBI
Location:0.33 KM W SULLIVAN SQ.
Purpose:Carries highway and pedestrian walkway over railroad
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:86.9 ft. [26.5 m]
Total length:172.9 ft. [52.7 m]
Roadway width between curbs:55.1 ft. [16.8 m]
Deck width edge-to-edge:74.2 ft. [22.6 m]
Vertical clearance above deck:14.4 ft. [4.4 m]
Vertical clearance below bridge:15.1 ft. [4.6 m]
Skew angle:26°
Owner:City or Municipal Highway Agency [04]
Year built:1880
Year reconstructed:1972
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
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:28,400 [as of 2015]
Truck traffic:10% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:70.2 tons [63.8 metric tons]
Inventory rating:38.5 tons [35.0 metric tons]
Sufficiency rating:78.8
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$6,745,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201578.8FairSatisfactoryFairFairFO28400
July 201377.9FairSatisfactoryFairFairFO35700
July 201177.9FairSatisfactoryFairFairFO35800
July 200977.9FairSatisfactoryFairFairFO35800
July 200777.7FairSatisfactoryFairFairFO38100
July 200577.3FairSatisfactoryFairFairFO41500
July 200377.8FairSatisfactoryGoodFairFO36700
July 200177.7FairSatisfactoryGoodFairFO38100
July 199979.7FairSatisfactorySatisfactoryFairFO19900