+30.50893, -91.08130
30°30'32" N, 91°04'53" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0946 over JONES BAYOU
Structure number:611708170801891
Location:9.95M NORTH OF LA 37
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:20.0 ft. [6.1 m]
Total length:120.1 ft. [36.6 m]
Roadway width between curbs:82.0 ft. [25.0 m]
Deck width edge-to-edge:84.6 ft. [25.8 m]
Owner:State Highway Agency [01]
Year built:1992
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:6
Main spans material:Concrete [1]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: April 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:12,700 [as of 2015]
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:Superior to present desirable criteria [9]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:78.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2017FairGoodGoodSatisfactory1270078.0
April 2015FairGoodGoodSatisfactory1270078.0
May 2013FairGoodGoodSatisfactory1270078.0
June 2011FairGoodGoodSatisfactory1340079.0
June 2009GoodVery GoodGoodGood1450080.0
July 2007GoodGoodGoodGood1570080.0
July 2005GoodVery GoodGoodVery Good1490080.0
July 2003GoodVery GoodGoodVery Good1490080.0
July 2001GoodVery GoodGoodVery Good1357680.0
July 1999GoodVery GoodGoodVery Good1002080.0
July 1997GoodVery GoodVery GoodVery Good1002080.0
July 1995GoodVery GoodVery GoodVery Good1013780.0
July 1993GoodVery GoodVery GoodVery Good949080.0
August 1992FairSatisfactoryVery GoodVery Good911163.6
August 1990FairSatisfactoryVery GoodVery Good911163.6

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Reinforced Concrete Abutmentlinear ft.184178060
Reinforced Concrete Pileeach5050000
Reinforced Concrete Pier Caplinear ft.4304161130
Pourable Jointlinear ft.574057400
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.240240000
Reinforced Concrete Slabsq. ft.9,8405,7244,080360