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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

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
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

Good/Fair/Poor Condition:Fair
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. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201572.0FairGoodFairFair-183183
July 201372.0FairGoodFairFair-188000
July 201174.0FairGoodFairFair-186000
July 200974.0FairGoodFairFair-186000

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.6,6113,0593,490620
Steel Protective Coatingsq. ft.1,9981,998000
Steel Stringerlinear ft.4,9211,4763,44500
Steel Protective Coatingsq. ft.1,9981,998000
Deck
Reinforced Concrete Decksq. ft.59,84756,8552,99200
Wearing Surfacessq. ft.59,84756,8552,99200
Superstructure
Steel Floor Beamlinear ft.2,4449741,47000
Steel Protective Coatingsq. ft.999999000
Substructure
Reinforced Concrete Columneach2420400
Masonry Pier Walllinear ft.3542757900
Reinforced Concrete Abutmentlinear ft.295103891030
Reinforced Concrete Pier Caplinear ft.59044277710
Joints
Strip Seal Jointlinear ft.22411057057
Other Jointlinear ft.224224000
Bearings
Movable Bearingeach982449025
Steel Protective Coatingsq. ft.999999000
Fixed Bearingeach49321601
Steel Protective Coatingsq. ft.999999000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,9031,8080095