+30.44616, -91.00559
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]
Sufficiency rating:93.5

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
May 2017Good7 out of 1020093.5
May 2015Good7 out of 1020093.1
July 2013Good7 out of 1020090.1
July 2011Good7 out of 1020090.1
July 2009Good7 out of 1020090.1
July 2007Poor4 out of 1020064.4
August 2005Poor4 out of 1020064.4
November 2003Fair5 out of 1020079.9
November 2001Fair6 out of 1020090.1
February 2000Fair6 out of 1020090.1
February 1998Good7 out of 1020090.1
May 1996Good8 out of 1020090.1
June 1993Good8 out of 1020090.5
March 1992Good8 out of 1020090.5

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Reinforced Concrete Culvertlinear ft.2241844000