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ST 1 A/NB over OTHER RELIEF

Map

Coordinates:
+42.37250, -71.03417
42°22'21" N, 71°02'03" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:ST 1 A/NB over OTHER RELIEF
Structure number:B1623539VDOTNBI
Location:2000 FT NE CALLAHAN TUN
Purpose:Carries highway over railroad
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:74.2 ft. [22.6 m]
Total length:204.1 ft. [62.2 m]
Roadway width between curbs:41.0 ft. [12.5 m]
Deck width edge-to-edge:44.9 ft. [13.7 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:3
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: December 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:26,600 [as of 2014]
Truck traffic:6% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Better than present minimum criteria [7]
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:71.7 tons [65.2 metric tons]
Inventory rating:43.0 tons [39.1 metric tons]
Sufficiency rating:93.4
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$245,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
December 201693.4FairGoodSatisfactorySatisfactoryFO26600
December 201493.4FairGoodSatisfactorySatisfactoryFO26600
December 201293.9FairGoodSatisfactorySatisfactory-20900
December 201093.9FairGoodGoodSatisfactory-20900
December 200893.9FairGoodGoodSatisfactory-20900

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.2,5402,540000
Steel Protective Coatingsq. ft.1,9981,998000
Deck
Reinforced Concrete Decksq. ft.11,27510,71156400
Wearing Surfacessq. ft.11,27510,71156400
Substructure
Steel Columneach80800
Steel Protective Coatingsq. ft.999999000
Steel Pier Caplinear ft.18012337200
Steel Protective Coatingsq. ft.999999000
Joints
Compression Jointlinear ft.192187500
Bearings
Elastomeric Bearingeach1717000
Movable Bearingeach3431300
Steel Protective Coatingsq. ft.999999000
Fixed Bearingeach3503500
Steel Protective Coatingsq. ft.999999000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.408040800