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HWY S UNION ST over RR MBTA/BMRR

Map

Coordinates:
+42.70164, -71.15341
42°42'06" N, 71°09'12" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:HWY S UNION ST over RR MBTA/BMRR
Structure number:L0402332DDOT634
Location:.8 KM SO MERRIMAC RIVER
Purpose:Carries highway and pedestrian walkway over railroad
Route classification:Minor Arterial (Urban) [16]
Length of largest span:34.1 ft. [10.4 m]
Total length:74.2 ft. [22.6 m]
Roadway width between curbs:51.8 ft. [15.8 m]
Deck width edge-to-edge:66.9 ft. [20.4 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1927
Year reconstructed:1993
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
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: August 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:11,000 [as of 2018]
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]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:77.6
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$1,760,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2018GoodGoodGoodGood1100077.6
August 2016GoodGoodGoodGood790078.0
August 2014GoodGoodGoodGood790078.0
August 2012GoodGoodGoodGood790078.0
August 2010GoodGoodGoodGood640078.2
August 2008GoodGoodVery GoodGood2900075.4

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.837837000
Deck
Reinforced Concrete Decksq. ft.5,1405,0905000
Wearing Surfacessq. ft.4,0042,5041,50000
Substructure
Masonry Pier Walllinear ft.6868000
Masonry Abutmentlinear ft.1351152000
Bearings
Movable Bearingeach2424000
Fixed Bearingeach1212000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.170170000