Share:

SR 481 over I 20

Map 

Coordinates:
+32.31605, -89.61463
32°18'58" N, 89°36'53" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:SR 481 over I 20
Structure number:310048106201840
Location:SR 481 OVER I 20
Purpose:Carries highway over highway
Route classification:Major Collector (Rural) [07]
Length of largest span:83.0 ft. [25.3 m]
Total length:291.0 ft. [88.7 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:32.5 ft. [9.9 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
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:2
Main spans material:Concrete continuous [2]
Main spans design:Box Beam or girders - Single or Spread [06]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: December 2016 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:790 [as of 2014]
Truck traffic:3% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Inventory rating:67.3 tons [61.2 metric tons]
Sufficiency rating:71.4

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
December 201671.4FairFairFairVery Good-790
December 201471.4FairFairFairVery Good-1500
December 201271.4FairFairFairVery Good-1500
December 201083.4FairSatisfactorySatisfactoryVery Good-1500
November 200884.4FairSatisfactoryVery GoodVery Good-1500
November 200685.4FairSatisfactoryVery GoodVery Good-1400
January 200585.4GoodVery GoodVery GoodVery Good-1400
February 200385.5GoodVery GoodVery GoodVery Good-900
January 200185.4GoodVery GoodVery GoodVery Good-900
January 199985.4GoodVery GoodVery GoodVery Good-900
April 199784.5GoodVery GoodVery GoodVery Good-900
July 199584.5GoodVery GoodVery GoodVery Good-760
August 199393.0GoodVery GoodVery GoodVery Good-690
October 199193.0GoodVery GoodVery GoodVery Good-690
November 198984.5GoodVery GoodVery GoodVery Good-760