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 2016

Good/Fair/Poor Condition:Fair
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]
Sufficiency rating:60.6
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$15,821,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
November 201660.6FairSatisfactorySatisfactoryFairFO49100
November 201460.6FairSatisfactorySatisfactoryFairFO49100
November 201261.8FairSatisfactorySatisfactoryFair-41200
November 201061.8FairSatisfactorySatisfactoryFair-41200
November 200861.8FairSatisfactorySatisfactoryFair-41000
October 199875.6FairGoodGoodSatisfactoryFO27000
October 199664.4FairGoodGoodSatisfactoryFO27000
December 199077.0FairGoodGoodSatisfactoryFO20412

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Stringerlinear ft.5,83805,83800
Steel Protective Coatingsq. ft.1,9981,998000
Reinforced Concrete Decksq. ft.1110100
Wearing Surfacessq. ft.1111000
Steel Columneach2202200
Steel Protective Coatingsq. ft.999999000
Steel Pier Caplinear ft.49504255020
Steel Protective Coatingsq. ft.999999000
Compression Jointlinear ft.4510428023
Elastomeric Bearingeach2222000
Movable Bearingeach9909603
Steel Protective Coatingsq. ft.999999000
Fixed Bearingeach9909900
Steel Protective Coatingsq. ft.999999000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,38801,2491390