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I 93 /US1/ST3 over WATER NEPONSET RIVER

Map 

Coordinates:
+42.27750, -71.04889
42°16'39" N, 71°02'56" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I 93 /US1/ST3 over WATER NEPONSET RIVER
Structure number:B162503D1DOTNBI
Location:.8 KM S OF JCT SR 3A
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:145.0 ft. [44.2 m]
Total length:478.0 ft. [145.7 m]
Roadway width between curbs:109.9 ft. [33.5 m]
Deck width edge-to-edge:118.1 ft. [36.0 m]
Vertical clearance below bridge:32.2 ft. [9.8 m]
Owner:State Highway Agency [01]
Year built:1954
Year reconstructed:1984
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:2
Main spans material:Steel continuous [4]
Main spans design:Girder and floorbeam system [03]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: July 2015 

Status:Open, no restriction [A]
Average daily traffic:183,183 [as of 2014]
Truck traffic:9% of total traffic
Deck condition:Good [7 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:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Better than present minimum criteria [7]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Pier/abutment protection:None present but re-evaluation suggested [5]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour conditions; field review indicates action is required. [4]
Operating rating:61.7 tons [56.1 metric tons]
Inventory rating:37.0 tons [33.6 metric tons]
Sufficiency rating:72.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$29,590,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201572.0Not deficientGoodFairFair183183
July 201372.0Not deficientGoodFairFair188000
July 201174.0Not deficientGoodFairFair186000
July 200974.0Not deficientGoodFairFair186000