+30.73868, -90.83790
30°44'19" N, 90°50'16" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:LA0037 over AMITE R RELIEF
Structure number:624602540500311
Purpose:Carries highway over relief for waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:20.0 ft. [6.1 m]
Total length:100.1 ft. [30.5 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:29.5 ft. [9.0 m]
Owner:State Highway Agency [01]
Year built:1955
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Number of main spans:5
Main spans material:Concrete [1]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: October 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:2,700 [as of 2015]
Truck traffic:14% 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: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: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 is scour critical; bridge foundations determined to be unstable. [3]
Operating rating:37.0 tons [33.6 metric tons]
Inventory rating:22.0 tons [20.0 metric tons]
Sufficiency rating:62.8
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$498,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201662.8GoodGoodGoodGoodFO2700
October 201462.5GoodGoodGoodGoodFO2900
October 201263.5GoodGoodGoodGoodFO2800
September 201063.5GoodGoodGoodGoodFO2600
September 200863.5GoodGoodGoodGoodFO2600
November 200665.5GoodGoodGoodGoodFO2600
October 200467.5GoodGoodGoodGood-1960
December 200262.2GoodGoodGoodGoodFO2500
October 200062.2GoodGoodGoodGoodFO2649
October 199877.9GoodGoodGoodGoodFO2045
August 199677.9GoodGoodGoodGoodFO3602
September 199477.9FairSatisfactorySatisfactorySatisfactoryFO3415
October 199277.9GoodGoodGoodGoodFO3189
December 199077.9GoodGoodGoodVery GoodFO3189