I0020 over MARION ST


+32.48827, -93.77291
32°29'18" N, 93°46'22" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I0020 over MARION ST
Structure number:040904510116771
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:16.4 ft. [5.0 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]
Underclearances 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:55.4 tons [50.4 metric tons]
Inventory rating:33.7 tons [30.6 metric tons]
Sufficiency rating:74.3

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
February 201674.3Not deficientFairFairFair39600
February 201574.2Not deficientFairFairFair39840
February 201474.2Not deficientFairFairFair40080
February 201374.1Not deficientFairFairFair40320
February 201273.5Not deficientFairFairFair44100
February 201174.5Not deficientSatisfactoryFairFair44520
March 201074.9Not deficientGoodFairFair42600
January 200974.2Not deficientGoodFairFair46200
February 200874.4Not deficientGoodFairFair45300
February 200774.4Not deficientGoodFairFair45060
February 200675.1Not deficientGoodFairFair41340
February 200575.6Not deficientGoodFairFair38580
March 200475.8Not deficientGoodFairFair37080
February 200375.7Not deficientGoodFairFair33600
May 200175.6Not deficientGoodFairFair34087
March 200075.6Not deficientGoodFairFair34087
March 199975.6Not deficientGoodFairFair34087
March 199875.6Not deficientGoodFairFair34087
January 199776.4Not deficientGoodFairFair29551
May 199574.1Not deficientGoodFairFair40071
May 199475.0Not deficientGoodFairFair35245
April 199374.4Not deficientGoodFairFair38496
March 199274.4Not deficientGoodFairGood38496