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S 366-LEDGER RD over INT LEDGER-I 15

Map

Coordinates:
+48.26357, -111.93616
48°15'49" N, 111°56'10" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:S 366-LEDGER RD over INT LEDGER-I 15
Structure number:S00366000+00001
Location:6M N CONRAD
Purpose:Carries highway overpass over highway
Route classification:Major Collector (Rural) [07]
Length of largest span:95.1 ft. [29.0 m]
Total length:292.0 ft. [89.0 m]
Roadway width between curbs:31.5 ft. [9.6 m]
Deck width edge-to-edge:34.1 ft. [10.4 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Owner:State Highway Agency [01]
Year built:1972
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:4
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: February 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:300 [as of 2009]
Truck traffic:2% of total traffic
Deck condition:Good [7 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:Equal to present minimum criteria [6]
Underclearances appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:97.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
February 2016FairGoodGoodSatisfactory30097.0
February 2012GoodGoodGoodGood30099.0
February 2008GoodGoodGoodGood31099.0
February 2004GoodGoodGoodVery Good260100.0
January 2000GoodGoodGoodVery Good290100.0
December 1996GoodVery GoodVery GoodGood280100.0
October 1992GoodVery GoodVery GoodGood21098.0
January 1991GoodVery GoodVery GoodVery Good24098.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.1,3581,3441400
Deck
Reinforced Concrete Decksq. ft.9,9788,4811,3971000
Substructure
Reinforced Concrete Columneach66000
Reinforced Concrete Abutmentlinear ft.95642470
Reinforced Concrete Pier Caplinear ft.102102000
Bearings
Fixed Bearingeach2827100
Steel Protective Coatingsq. ft.2826200
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.5845315300
Steel Protective Coatingsq. ft.57034822200