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ST 2 A/MASS AVE over COMB STRW DR & CHAS RIV

Map 

Coordinates:
+42.35389, -71.09139
42°21'14" N, 71°05'29" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:ST 2 A/MASS AVE over COMB STRW DR & CHAS RIV
Structure number:B160124EYDOTNBI
Location:.8 MI E OF BU BRIDGE
Purpose:Carries highway and pedestrian walkway over highway and waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:105.0 ft. [32.0 m]
Total length:2165.1 ft. [659.9 m]
Roadway width between curbs:51.8 ft. [15.8 m]
Deck width edge-to-edge:74.2 ft. [22.6 m]
Vertical clearance below bridge:12.1 ft. [3.7 m]
Owner:State Highway Agency [01]
Year built:1891
Year reconstructed:1990
Historic significance:Bridge is on the National Register of Historic Places [1]
Design load:MS 18 / HS 20 [5]
Number of main spans:25
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: May 2015 

Status:Open, no restriction [A]
Average daily traffic:27,500 [as of 2015]
Truck traffic:9% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:86.2 tons [78.4 metric tons]
Inventory rating:51.7 tons [47.0 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:68.7
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$56,191,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201568.7Functionally obsoleteGoodGoodGood27500
May 201368.4Functionally obsoleteGoodGoodGood28433
May 201164.0Functionally obsoleteGoodGoodGood49000
May 200964.0Functionally obsoleteGoodVery GoodGood49000