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ST 1 A over HWY BNINGTN & NEPTUNE

Map

Coordinates:
+42.38003, -71.02476
42°22'48" N, 71°01'29" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:ST 1 A over HWY BNINGTN & NEPTUNE
Structure number:B1623639WDOTNBI
Location:1 MI N OF CALLAHAN TUN.
Purpose:Carries highway over highway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:80.1 ft. [24.4 m]
Total length:710.0 ft. [216.4 m]
Roadway width between curbs:117.1 ft. [35.7 m]
Deck width edge-to-edge:120.4 ft. [36.7 m]
Vertical clearance below bridge:9.8 ft. [3.0 m]
Owner:State Highway Agency [01]
Year built:1951
Year reconstructed:1977
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: January 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:57,000 [as of 2014]
Truck traffic:4% of total traffic
Deck condition:Fair [5 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:Superior to present desirable criteria [9]
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]
Sufficiency rating:77.4
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$44,834,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
January 2016FairFairSatisfactoryFair5700077.4
January 2014FairFairSatisfactoryFair5700077.4
January 2012FairFairSatisfactoryFair57020069.0
January 2010FairSatisfactorySatisfactoryFair57000270.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.12,07011,56950010
Steel Protective Coatingsq. ft.84,56084,560000
Deck
Reinforced Concrete Decksq. ft.85,48481,3314,15300
Wearing Surfacessq. ft.83,14183,1062870
Substructure
Steel Columneach2221010
Steel Protective Coatingsq. ft.7,0407,040000
Steel Pier Caplinear ft.1,32671306130
Steel Protective Coatingsq. ft.21,21621,216000
Joints
Compression Jointlinear ft.1,3001,2310960
Bearings
Movable Bearingeach1701007000
Steel Protective Coatingsq. ft.510510000
Fixed Bearingeach1701006910
Steel Protective Coatingsq. ft.600600000
Bridge Rail
Other Material Bridge Raillinear ft.1,4201,419010