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

Map

Coordinates:
+42.35439, -71.09120
42°21'16" N, 71°05'28" 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:105.3 ft. [32.1 m]
Total length:2171.4 ft. [661.8 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:9.8 ft. [3.0 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 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:38,000 [as of 2017]
Truck traffic:8% 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]
Sufficiency rating:64.8
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$51,857,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2017GoodGoodGoodGood3800064.8
May 2015GoodGoodGoodGood2750068.7
May 2013GoodGoodGoodGood2843368.4
May 2011GoodGoodGoodGood4900064.0
May 2009GoodGoodVery GoodGood4900064.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.12,98612,9068000
Steel Protective Coatingsq. ft.190,293189,543300250200
Steel Stringerlinear ft.4,3024,302000
Steel Protective Coatingsq. ft.18,05618,056000
Deck
Reinforced Concrete Decksq. ft.118,334116,9681,1831830
Wearing Surfacessq. ft.112,906112,8623680
Superstructure
Steel Floor Beamlinear ft.5650600
Steel Protective Coatingsq. ft.1,2801,2632510
Substructure
Reinforced Concrete Columneach22000
Masonry Pier Walllinear ft.1,7111,706500
Masonry Abutmentlinear ft.155777800
Steel Protective Coatingsq. ft.1,1761,176000
Joints
Strip Seal Jointlinear ft.145140005
Assembly with Sealeach297297000
Open Jointlinear ft.134134000
Bearings
Movable Bearingeach1507358190
Steel Protective Coatingsq. ft.450315454545
Fixed Bearingeach2623300
Steel Protective Coatingsq. ft.7878000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.8,6578,18846360
Steel Protective Coatingsq. ft.12,9929,0959742,9230
Reinforced Concrete Bridge Raillinear ft.4,3293,4626492162