+30.49667, -91.04500
30°29'48" N, 91°02'42" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Structure number:611730298910271
Location:1.4 MI.SW.LA37,LA303
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Local (Rural) [09]
Length of largest span:11.2 ft. [3.4 m]
Total length:32.2 ft. [9.8 m]
Roadway width between curbs:48.2 ft. [14.7 m]
Deck width edge-to-edge:100.1 ft. [30.5 m]
Owner:County Highway Agency [02]
Year built:1970
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:3
Main spans material:Concrete [1]
Main spans design:Culvert [19]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: July 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:500 [as of 1980]
Structural appraisal:Unknown [*]
Deck geometry appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank and embankment protection is severely undermined. River control devices have severe damage. Large deposits of debris are in the channel. [4]
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:88.3

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
July 2017Good7 out of 1050088.3
July 2015Good7 out of 1050087.3
August 2013Good7 out of 1050087.3
August 2011Good7 out of 1050087.3
August 2009Good7 out of 1050087.3
August 2007Good8 out of 1050087.3
January 2006Good8 out of 1050087.3
February 2004Good8 out of 1050087.3
February 2002Good8 out of 1050087.3
March 2000Good8 out of 1050087.3
May 1998Good8 out of 1050089.3
May 1996Good8 out of 1050088.3
June 1993Good8 out of 1050091.3
April 1992Good8 out of 1050091.3

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Reinforced Concrete Culvertlinear ft.300295410
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.154154000
Steel Protective Coatingsq. ft.605605000