+30.44616, -91.00566
30°26'46" N, 91°00'20" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Structure number:611730269911451
Location:0.02M N. I-12@ONEAL LANE
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:20.0 ft. [6.1 m]
Total length:41.0 ft. [12.5 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:69.9 ft. [21.3 m]
Skew angle:45°
Owner:County Highway Agency [02]
Year built:1991
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:2
Main spans material:Concrete [1]
Main spans design:Culvert [19]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: May 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:200 [as of 1991]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Culvert condition:Shrinkage cracks, light scaling and insignificant spalling which does not expose reinforcing steel. Insignificant damage caused by drift with no misalignment and not requiring corrective action. Some minor scouring has occured near curtain walls, wingwalls or pipes. Metal culverts have a smooth symmetrical curvature with superficial corrosion and no pitting. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:43.9 tons [39.9 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:93.5

Previous Inspections

DateSuff. RatingConditionCulvert ConditionSD/FOADT
May 201793.5Good7 out of 10-200
May 201593.1Good7 out of 10-200
July 201390.1Good7 out of 10-200
July 201190.1Good7 out of 10-200
July 200990.1Good7 out of 10-200
July 200764.4Poor4 out of 10SD200
August 200564.4Poor4 out of 10SD200
November 200379.9Fair5 out of 10-200
November 200190.1Fair6 out of 10-200
February 200090.1Fair6 out of 10-200
February 199890.1Good7 out of 10-200
May 199690.1Good8 out of 10-200
June 199390.5Good8 out of 10-200
March 199290.5Good8 out of 10-200