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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 

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]
Evaluation:Functionally obsolete [2]
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. ratingEvaluationDeckSuper.Sub.ADT
July 201578.8Functionally obsoleteSatisfactoryFairFair28400
July 201377.9Functionally obsoleteSatisfactoryFairFair35700
July 201177.9Functionally obsoleteSatisfactoryFairFair35800
July 200977.9Functionally obsoleteSatisfactoryFairFair35800
July 200777.7Functionally obsoleteSatisfactoryFairFair38100
July 200577.3Functionally obsoleteSatisfactoryFairFair41500
July 200377.8Functionally obsoleteSatisfactoryGoodFair36700
July 200177.7Functionally obsoleteSatisfactoryGoodFair38100
July 199979.7Functionally obsoleteSatisfactorySatisfactoryFair19900