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 

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. ratingEvaluationDeckSuper.Sub.ADT
January 201682.1Not deficient---17100
January 201481.9Not deficient---18400
February 201281.5Not deficient---20600
February 201081.5Not deficient---20600
January 200881.4Not deficient---21100
January 200681.9Not deficient---18300
January 200481.9Not deficient---18300
March 200281.4Not deficient---21336
February 200079.5Not deficient---20594
January 199879.5Not deficient---20594
February 199677.8Not deficient---28545
January 199478.2Not deficient---26345
February 199278.0Not deficient---27311