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I 93 /US1/ST3 over COMB MBTA & COLUMBIA RD

Map 

Coordinates:
+42.32111, -71.05389
42°19'16" N, 71°03'14" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I 93 /US1/ST3 over COMB MBTA & COLUMBIA RD
Structure number:B162593ECDOTNBI
Old structure number:3EC093896159101 (from 1992 edition)
Location:2 MI S OF JCT I90
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:84.0 ft. [25.6 m]
Total length:1530.9 ft. [466.6 m]
Roadway width between curbs:104.0 ft. [31.7 m]
Deck width edge-to-edge:111.2 ft. [33.9 m]
Vertical clearance above deck:18.4 ft. [5.6 m]
Vertical clearance below bridge:14.8 ft. [4.5 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1958
Year reconstructed:1984
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:23
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: October 2014 

Status:Open, no restriction [A]
Average daily traffic:184,000 [as of 2012]
Truck traffic:10% of total traffic
Deck condition:Satisfactory [6 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: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:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Operating rating:55.2 tons [50.2 metric tons]
Inventory rating:37.4 tons [34.0 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:68.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$57,160,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
October 201468.0Functionally obsoleteSatisfactorySatisfactoryFair184000
October 201268.0Functionally obsoleteSatisfactorySatisfactoryFair184000
July 201068.0Functionally obsoleteSatisfactorySatisfactoryFair184000
May 200868.0Functionally obsoleteSatisfactoryGoodFair184000
March 200079.0Functionally obsoleteSatisfactoryGoodSatisfactory177111
March 199879.0Functionally obsoleteSatisfactoryGoodSatisfactory177111
March 199668.5Functionally obsoleteSatisfactoryGoodSatisfactory177111