Share:

LA0043 over TWELVE MILE CREEK

Map

Coordinates:
+30.69666, -90.64826
30°41'48" N, 90°38'54" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0043 over TWELVE MILE CREEK
Structure number:624602700501191
Location:LA0043
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:20.0 ft. [6.1 m]
Total length:220.2 ft. [67.1 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:1957
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:11
Main spans material:Concrete [1]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: September 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:820 [as of 2015]
Truck traffic:9% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
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]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Operating rating:36.0 tons [32.7 metric tons]
Inventory rating:20.9 tons [19.0 metric tons]
Sufficiency rating:65.7

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201665.7FairGoodGoodSatisfactory-820
September 201466.5FairGoodGoodSatisfactory-750
October 201266.5FairGoodGoodSatisfactory-750
September 201065.5FairGoodGoodSatisfactory-830
September 200865.5FairGoodGoodSatisfactory-800
January 200766.6GoodGoodGoodGood-680
September 200466.6FairSatisfactoryGoodGood-630
November 200266.6FairSatisfactoryGoodGood-670
October 200066.6FairSatisfactoryGoodGood-671
November 199869.7FairSatisfactoryGoodGood-570
October 199667.7FairSatisfactoryGoodGood-564
September 199466.7FairSatisfactorySatisfactoryGood-540
September 199266.7GoodGoodGoodGood-554
November 199066.7GoodGoodGoodVery Good-554