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ST 1 A over HWY BNINGTN & NEPTUNE

Map

Coordinates:
+42.37944, -71.02500
42°22'46" N, 71°01'30" 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:12.1 ft. [3.7 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]
Operating rating:67.8 tons [61.6 metric tons]
Inventory rating:40.4 tons [36.7 metric tons]
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

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
January 201677.4FairFairSatisfactoryFairFO57000
January 201477.4FairFairSatisfactoryFairFO57000
January 201269.0FairFairSatisfactoryFairFO570200
January 201070.0FairSatisfactorySatisfactoryFairFO570002

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.12,07011,22008500
Steel Protective Coatingsq. ft.1,9981,998000
Deck
Reinforced Concrete Decksq. ft.83,07078,9164,15400
Wearing Surfacessq. ft.83,07078,9164,15400
Substructure
Steel Columneach2200220
Steel Protective Coatingsq. ft.999999000
Steel Pier Caplinear ft.1,3266130613100
Steel Protective Coatingsq. ft.999999000
Joints
Compression Jointlinear ft.1,28701,267020
Bearings
Movable Bearingeach170858500
Steel Protective Coatingsq. ft.999999000
Fixed Bearingeach170858500
Steel Protective Coatingsq. ft.999999000
Bridge Rail
Other Material Bridge Raillinear ft.1,420923426071