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HWY DORCHSTR AVE over I 93 /US1/ST3

Map

Coordinates:
+42.32528, -71.05722
42°19'31" N, 71°03'26" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:HWY DORCHSTR AVE over I 93 /US1/ST3
Structure number:B16256398DOTNBI
Location:2.4 KM SE OF JET I93&I90
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:104.0 ft. [31.7 m]
Total length:215.9 ft. [65.8 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:62.0 ft. [18.9 m]
Vertical clearance below bridge:13.8 ft. [4.2 m]
Skew angle:56°
Owner:State Highway Agency [01]
Year built:1957
Year reconstructed:1988
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
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:14,700 [as of 2016]
Truck traffic:14% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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:73.9 tons [67.2 metric tons]
Inventory rating:44.3 tons [40.3 metric tons]
Sufficiency rating:92.5
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$1,022,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
November 201692.5FairSatisfactoryGoodSatisfactoryFO14700
November 201481.0FairSatisfactoryFairSatisfactoryFO8400
November 201280.5FairSatisfactoryFairFairFO12600
November 201081.5FairSatisfactoryFairFairFO12600
November 200881.6FairGoodSatisfactoryFairFO12200

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.2,56002,2023580
Steel Protective Coatingsq. ft.1,9981,998000
Deck
Reinforced Concrete Decksq. ft.13,38511,6791,70600
Wearing Surfacessq. ft.8,6407,1711,46900
Substructure
Reinforced Concrete Columneach88000
Reinforced Concrete Abutmentlinear ft.124992500
Reinforced Concrete Pier Caplinear ft.6262000
Joints
Compression Jointlinear ft.7272000
Other Jointlinear ft.161161000
Bearings
Movable Bearingeach2402400
Steel Protective Coatingsq. ft.999999000
Fixed Bearingeach2402400
Steel Protective Coatingsq. ft.999999000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.432432000