I0020 over MARION ST


+32.48827, -93.77313
32°29'18" N, 93°46'23" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I0020 over MARION ST
Structure number:040904510116772
Location:.2 MI EAST OF US 80
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:58.1 ft. [17.7 m]
Total length:148.0 ft. [45.1 m]
Roadway width between curbs:60.4 ft. [18.4 m]
Deck width edge-to-edge:65.6 ft. [20.0 m]
Vertical clearance below bridge:15.1 ft. [4.6 m]
Skew angle:15°
Owner:State Highway Agency [01]
Year built:1965
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 continuous [2]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: February 2016 

Status:Open, no restriction [A]
Average daily traffic:39,600 [as of 2015]
Truck traffic:29% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:61.4 tons [55.8 metric tons]
Inventory rating:36.6 tons [33.3 metric tons]
Sufficiency rating:77.3

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
February 201677.3Not deficientFairFairFair39600
February 201577.3Not deficientFairFairFair39840
February 201477.3Not deficientFairFairFair40080
February 201377.2Not deficientFairFairFair40320
February 201276.6Not deficientFairFairFair44100
February 201177.6Not deficientSatisfactoryFairFair44520
March 201077.9Not deficientGoodFairFair42600
January 200977.3Not deficientGoodFairFair46200
February 200877.5Not deficientGoodFairFair45300
February 200777.5Not deficientGoodFairFair45060
February 200678.1Not deficientGoodFairFair41340
February 200578.6Not deficientGoodFairFair38580
March 200478.8Not deficientGoodFairFair37080
February 200378.6Not deficientGoodFairFair33600
March 200078.5Not deficientGoodFairFair34087
March 199978.5Not deficientGoodFairFair34087
March 199878.5Not deficientGoodFairFair34087
January 199779.3Not deficientGoodFairFair29551
May 199577.0Not deficientGoodFairFair40071
May 199477.9Not deficientGoodFairFair35245
April 199377.3Not deficientGoodFairFair38496
March 199277.3Not deficientGoodFairGood38496