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HWY WASHINGTN ST over COMB I 90 & AMTRAK/MBTA

Map 

Coordinates:
+42.34694, -71.06500
42°20'49" N, 71°03'54" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:HWY WASHINGTN ST over COMB I 90 & AMTRAK/MBTA
Structure number:B160794TGDOTNBI
Location:.1 MI W. I 93 S71
Purpose:Carries highway and pedestrian walkway over highway and railroad
Route classification:Other Principal Arterial (Urban) [14]
Tolls:Yes, on toll road [2]
Length of largest span:55.1 ft. [16.8 m]
Total length:195.9 ft. [59.7 m]
Roadway width between curbs:47.9 ft. [14.6 m]
Deck width edge-to-edge:66.3 ft. [20.2 m]
Vertical clearance below bridge:14.1 ft. [4.3 m]
Owner:State Highway Agency [01]
Year built:1965
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:4
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: October 2015 

Status:Open, no restriction [A]
Average daily traffic:8,300 [as of 2013]
Truck traffic:11% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 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:Basically intolerable requiring high priority of replacement [2]
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]
Operating rating:61.2 tons [55.6 metric tons]
Inventory rating:36.6 tons [33.3 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:60.7
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$6,824,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
October 201560.7Functionally obsoleteGoodSatisfactoryFair8300
October 201360.7Functionally obsoleteGoodSatisfactoryFair8300
August 201162.6Functionally obsoleteGoodSatisfactoryFair8900
November 201062.6Functionally obsoleteVery GoodSatisfactoryFair8900
November 200862.6Functionally obsoleteVery GoodSatisfactoryFair8900