US0171 over DRAIN


+32.45525, -93.78010
32°27'19" N, 93°46'48" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US0171 over DRAIN
Structure number:040900250811671
Location:1.0 MI NORTH OF LA 511
Purpose:Carries highway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:6.9 ft. [2.1 m]
Total length:24.0 ft. [7.3 m]
Owner:State Highway Agency [01]
Year built:1959
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: January 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:16,800 [as of 2016]
Truck traffic:6% of total traffic
Structural appraisal:Unknown [*]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
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:82.1

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
January 2018Fair6 out of 101680082.1
January 2016Fair6 out of 101710082.1
January 2014Fair6 out of 101840081.9
February 2012Fair6 out of 102060081.5
February 2010Good7 out of 102060081.5
January 2008Good8 out of 102110081.4
January 2006Good8 out of 101830081.9
January 2004Good8 out of 101830081.9
March 2002Good8 out of 102133681.4
February 2000Good8 out of 102059479.5
January 1998Good8 out of 102059479.5
February 1996Good8 out of 102854577.8
January 1994Good8 out of 102634578.2
February 1992Good8 out of 102731178.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Culvertlinear ft.241023740