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S 366-LEDGER RD over DRAINAGE

Map

Coordinates:
+48.26364, -111.89266
48°15'49" N, 111°53'34" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:S 366-LEDGER RD over DRAINAGE
Structure number:S00366002+03001
Location:4M W LEDGER
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:24.9 ft. [7.6 m]
Total length:25.9 ft. [7.9 m]
Roadway width between curbs:32.2 ft. [9.8 m]
Deck width edge-to-edge:34.1 ft. [10.4 m]
Owner:State Highway Agency [01]
Year built:1954
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Main span material:Wood or timber [7]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Wood or Timber [8]
Wearing surface:Bituminous [6]

Latest Available Inspection: November 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:275 [as of 2016]
Truck traffic:2% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Better than present minimum criteria [7]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:87.5

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2017GoodGoodGoodGood27587.5
November 2015GoodGoodGoodGood30087.5
December 2013FairGoodSatisfactoryGood30087.5
December 2011FairGoodSatisfactoryGood30087.5
December 2009FairGoodSatisfactoryGood31088.5
January 2008FairGoodSatisfactoryGood28088.5
January 2006GoodVery GoodGoodGood31088.5
February 2004GoodVery GoodGoodGood26088.0
December 2001GoodVery GoodGoodGood26088.0
January 2000GoodVery GoodGoodGood29087.9
May 1996GoodGoodGoodGood23384.1
April 1994GoodGoodGoodGood19284.1
October 1991GoodGoodGoodGood20280.7

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Timber Girder/Beamlinear ft.781781000
Substructure
Timber Columneach1615100
Timber Abutmentlinear ft.108108000
Timber Pier Caplinear ft.6967200
Deck
Timber Decksq. ft.883883000
Wearing Surfacessq. ft.883883000
Bridge Rail
Timber Bridge Raillinear ft.5244800