+30.39851, -91.05550
30°23'55" N, 91°03'20" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA3246 over CLAY CUT BAYOU
Structure number:611708174003831
Location:2.2 MI SE I-12, US 61 JCT
Purpose:Carries highway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:20.0 ft. [6.1 m]
Total length:140.1 ft. [42.7 m]
Roadway width between curbs:65.0 ft. [19.8 m]
Deck width edge-to-edge:67.9 ft. [20.7 m]
Skew angle:65°
Owner:State Highway Agency [01]
Year built:1984
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:7
Main spans material:Concrete [1]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: May 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:39,900 [as of 2015]
Truck traffic:10% 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:Better than present minimum criteria [7]
Deck geometry appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Better than present minimum criteria [7]
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]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:75.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2017GoodGoodGoodGood3990075.0
May 2015GoodGoodGoodGood3990075.0
June 2013GoodGoodGoodGood3940075.0
June 2012GoodGoodGoodGood3500075.0
June 2010GoodVery GoodVery GoodGood3620075.0
June 2008GoodVery GoodVery GoodVery Good3600075.0
June 2006GoodGoodGoodVery Good3550075.0
June 2004GoodVery GoodGoodVery Good3980075.0
June 2002GoodVery GoodVery GoodVery Good3910075.0
June 2000GoodVery GoodVery GoodVery Good3788675.0
June 1998GoodVery GoodVery GoodVery Good1512775.0
June 1996GoodVery GoodVery GoodVery Good1481875.0
June 1994GoodVery GoodVery GoodVery Good1411875.0
June 1992GoodVery GoodVery GoodVery Good918575.0
June 1988GoodVery GoodVery GoodVery Good918575.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Reinforced Concrete Abutmentlinear ft.2942700240
Reinforced Concrete Pileeach9689070
Reinforced Concrete Pier Caplinear ft.744744000
Pourable Jointlinear ft.952952000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.280280000
Reinforced Concrete Slabsq. ft.14,980014,7841960