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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

Facts

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

Good/Fair/Poor Condition:Good
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]
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. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201568.7GoodGoodGoodGoodFO27500
May 201368.4GoodGoodGoodGoodFO28433
May 201164.0GoodGoodGoodGoodFO49000
May 200964.0GoodGoodVery GoodGoodFO49000

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.12,98612,78620000
Steel Protective Coatingsq. ft.1,9981,998000
Steel Stringerlinear ft.4,2914,291000
Steel Protective Coatingsq. ft.1,9981,998000
Deck
Reinforced Concrete Decksq. ft.151,341145,7145,62700
Wearing Surfacessq. ft.112,542106,9155,62700
Substructure
Reinforced Concrete Columneach22000
Masonry Pier Walllinear ft.1,71101,71100
Masonry Abutmentlinear ft.152152000
Steel Pier Caplinear ft.5652400
Steel Protective Coatingsq. ft.999999000
Joints
Strip Seal Jointlinear ft.104525200
Assembly with Sealeach2080520156
Bearings
Movable Bearingeach156150600
Steel Protective Coatingsq. ft.1,9981,998000
Fixed Bearingeach2626000
Steel Protective Coatingsq. ft.999999000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.4,3314,23110000
Steel Protective Coatingsq. ft.999999000
Other Material Bridge Raillinear ft.4,3314,3141700