LA0575 over MILL BAYOU


+32.18220, -91.26220
32°10'56" N, 91°15'44" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0575 over MILL BAYOU
Structure number:585403500302001
Location:2.O MI EAST OF LA 888
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:20.0 ft. [6.1 m]
Total length:80.1 ft. [24.4 m]
Roadway width between curbs:24.3 ft. [7.4 m]
Deck width edge-to-edge:29.5 ft. [9.0 m]
Skew angle:45°
Owner:State Highway Agency [01]
Year built:1962
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:Concrete [1]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: August 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:87 [as of 2015]
Truck traffic:1% 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:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Better than present minimum criteria [7]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:91.1

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2017GoodGoodGoodGood8791.1
August 2015GoodGoodGoodGood8789.9
August 2013GoodGoodGoodGood8989.9
September 2011GoodGoodGoodGood12484.4
December 2009GoodGoodGoodGood14484.4
August 2007GoodGoodGoodGood18184.4
June 2005GoodGoodGoodGood17284.4
February 2003GoodGoodGoodGood15584.4
January 2001GoodGoodGoodGood12884.4
March 1999GoodGoodGoodGood15982.4
March 1997GoodGoodGoodGood15982.4
March 1995GoodGoodGoodGood10782.4
February 1993GoodGoodGoodGood12482.4
February 1991GoodGoodGoodGood12482.4

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Timber Abutmentlinear ft.6868000
Prestressed Concrete Pileeach1212000
Reinforced Concrete Pier Caplinear ft.9696000
Pourable Jointlinear ft.139139000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.160160000
Steel Protective Coatingsq. ft.800800000
Reinforced Concrete Bridge Raillinear ft.160160000
Reinforced Concrete Slabsq. ft.1,9201,918200