ST 1 A/SB over RR BMRR


+42.37250, -71.03417
42°22'21" N, 71°02'03" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:ST 1 A/SB over RR BMRR
Structure number:B162353A0DOTNBI
Old structure number:3A0041896435101 (from 1992 edition)
Purpose:Carries highway over railroad
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:74.2 ft. [22.6 m]
Total length:693.9 ft. [211.5 m]
Roadway width between curbs:41.3 ft. [12.6 m]
Deck width edge-to-edge:45.6 ft. [13.9 m]
Vertical clearance below bridge:15.4 ft. [4.7 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1951
Year reconstructed:2005
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:10
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: November 2014 

Status:Open, no restriction [A]
Average daily traffic:49,100 [as of 2014]
Truck traffic:3% 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:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:71.3 tons [64.8 metric tons]
Inventory rating:42.7 tons [38.8 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:60.6
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$10,640,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
November 201460.6Functionally obsoleteSatisfactorySatisfactoryFair49100
November 201261.8Not deficientSatisfactorySatisfactoryFair41200
November 201061.8Not deficientSatisfactorySatisfactoryFair41200
November 200861.8Not deficientSatisfactorySatisfactoryFair41000
October 199875.6Functionally obsoleteGoodGoodSatisfactory27000
October 199664.4Functionally obsoleteGoodGoodSatisfactory27000
December 199077.0Functionally obsoleteGoodGoodSatisfactory20412