US0171 over DRAIN


+32.45522, -93.78019
32°27'19" N, 93°46'49" 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 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:17,100 [as of 2015]
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

DateSuff. RatingConditionCulvert ConditionSD/FOADT
January 201682.1Fair6 out of 10-17100
January 201481.9Fair6 out of 10-18400
February 201281.5Fair6 out of 10-20600
February 201081.5Good7 out of 10-20600
January 200881.4Good8 out of 10-21100
January 200681.9Good8 out of 10-18300
January 200481.9Good8 out of 10-18300
March 200281.4Good8 out of 10-21336
February 200079.5Good8 out of 10-20594
January 199879.5Good8 out of 10-20594
February 199677.8Good8 out of 10-28545
January 199478.2Good8 out of 10-26345
February 199278.0Good8 out of 10-27311

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Reinforced Concrete Abutmentlinear ft.130013000
Reinforced Concrete Culvertlinear ft.245024500