I0020 over DRAIN


+32.45912, -91.77470
32°27'33" N, 91°46'29" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I0020 over DRAIN
Structure number:054204510709611
Location:5.3 MI EAST OF LA 133
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:9.8 ft. [3.0 m]
Total length:34.1 ft. [10.4 m]
Roadway width between curbs:84.0 ft. [25.6 m]
Deck width edge-to-edge:177.2 ft. [54.0 m]
Skew angle:15°
Owner:State Highway Agency [01]
Year built:1968
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: October 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:33,000 [as of 2016]
Truck traffic:25% of total traffic
Structural appraisal:Unknown [*]
Deck geometry appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Equal to present desirable criteria [8]
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:94.9

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
October 2017Fair6 out of 103300094.9
October 2015Fair6 out of 103010095.2
November 2013Fair6 out of 102980095.2
November 2011Fair6 out of 102550095.6
November 2009Fair6 out of 102960093.2
September 2007Good7 out of 102830095.4
September 2005Good7 out of 102950079.6
March 2003Good7 out of 102680080.0
August 2000Good7 out of 102332880.3
June 1998Good7 out of 102332880.3
July 1996Good7 out of 101978380.7
July 1994Good7 out of 102400980.8
May 1992Good7 out of 101487381.6

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Culvertlinear ft.534533010