+30.36893, -91.15746
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
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 2014 

Status:Open, no restriction [A]
Average daily traffic:14,100 [as of 2014]
Truck traffic:5% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 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]
Operating rating:37.6 tons [34.2 metric tons]
Inventory rating:21.8 tons [19.8 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:57.9
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 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201457.9Functionally obsoleteGoodGoodVery Good14100
May 201258.4Functionally obsoleteGoodGoodVery Good15400
May 201059.3Functionally obsoleteGoodVery GoodVery Good15500
May 200858.5Functionally obsoleteGoodVery GoodGood15100
May 200659.0Functionally obsoleteGoodVery GoodGood13800
May 200459.2Functionally obsoleteGoodVery GoodGood13400
May 200259.5Functionally obsoleteVery GoodVery GoodVery Good12500
May 200059.8Functionally obsoleteVery GoodVery GoodVery Good11672
May 199861.9Functionally obsoleteVery GoodVery GoodVery Good8939
May 199661.4Functionally obsoleteVery GoodVery GoodVery Good10241
May 199461.8Functionally obsoleteVery GoodVery GoodVery Good9710
May 199262.5Functionally obsoleteVery GoodVery GoodVery Good7829