+30.36900, -91.15750
30°22'08" N, 91°09'27" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0030 over ELBOW BAYOU
Structure number:611704140105401
Location:2.1M NW of LA 42&LA 327-S
Purpose:Carries highway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:20.0 ft. [6.1 m]
Total length:80.1 ft. [24.4 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:33.5 ft. [10.2 m]
Owner:State Highway Agency [01]
Year built:1961
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]
Wearing surface:Bituminous [6]

Latest Available Inspection: May 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:14,100 [as of 2015]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Better than present minimum criteria [7]
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:58.3
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$412,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2016FairSatisfactorySatisfactoryVery Good1410058.3
May 2014GoodGoodGoodVery Good1410057.9
May 2012GoodGoodGoodVery Good1540058.4
May 2010GoodGoodVery GoodVery Good1550059.3
May 2008GoodGoodVery GoodGood1510058.5
May 2006GoodGoodVery GoodGood1380059.0
May 2004GoodGoodVery GoodGood1340059.2
May 2002GoodVery GoodVery GoodVery Good1250059.5
May 2000GoodVery GoodVery GoodVery Good1167259.8
May 1998GoodVery GoodVery GoodVery Good893961.9
May 1996GoodVery GoodVery GoodVery Good1024161.4
May 1994GoodVery GoodVery GoodVery Good971061.8
May 1992GoodVery GoodVery GoodVery Good782962.5

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Reinforced Concrete Abutmentlinear ft.8080000
Prestressed Concrete Pileeach1212000
Reinforced Concrete Pier Caplinear ft.9089100
Pourable Jointlinear ft.140001400
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.1601461400
Steel Protective Coatingsq. ft.800800000
Reinforced Concrete Slabsq. ft.2,6882,56812000
Wearing Surfacessq. ft.2,2722,271100