+32.55164, -93.84370
32°33'06" N, 93°50'37" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0173 over LOGAN BAYOU
Structure number:040900940107421
Location:5.7 MI EAST OF LA 3094
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:6.9 ft. [2.1 m]
Total length:30.8 ft. [9.4 m]
Owner:State Highway Agency [01]
Year built:1963
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:4
Main spans material:Concrete [1]
Main spans design:Culvert [19]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: January 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:5,500 [as of 2016]
Truck traffic:12% of total traffic
Structural appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present desirable criteria [8]
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:Deterioration or initial disintegration, minor chloride contamination, cracking with some leaching, or spalls on concrete or masonry walls and slabs. Local minor scouring at curtain walls, wingwalls or pipes. Metal culverts have a smooth curvature, non-symmetrical shape, significant corrosion or moderate pitting. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:98.7

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
January 2018Fair6 out of 10550098.7
January 2016Good7 out of 10550098.7
January 2014Good7 out of 10490098.9
January 2012Good8 out of 10580098.6
February 2010Good8 out of 10580098.6
February 2008Good8 out of 10560098.7
January 2006Good8 out of 10600098.6
January 2004Good8 out of 10580098.6
March 2002Good8 out of 10552498.7
January 2000Good8 out of 10552498.7
February 1998Good8 out of 10552498.7
February 1996Good8 out of 10583798.7
February 1994Good8 out of 10427099.0
February 1992Good8 out of 10424199.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Culvertlinear ft.232023200