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I 20 over VALLEY ST/LYNCH CREEK

Map 

Coordinates:
+32.28558, -90.21511
32°17'08" N, 90°12'54" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I 20 over VALLEY ST/LYNCH CREEK
Structure number:11000200250441A
Location:3.2 MI E SR 18
Purpose:Carries highway over highway and waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:100.1 ft. [30.5 m]
Total length:1286.2 ft. [392.0 m]
Roadway width between curbs:60.4 ft. [18.4 m]
Deck width edge-to-edge:63.7 ft. [19.4 m]
Vertical clearance below bridge:20.7 ft. [6.3 m]
Skew angle:36°
Owner:State Highway Agency [01]
Year built:1969
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:20
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: August 2016 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:37,000 [as of 2014]
Truck traffic:13% of total traffic
Deck condition:Good [7 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:Meets minimum tolerable limits to be left in place as is [4]
Underclearances 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:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:61.7 tons [56.1 metric tons]
Inventory rating:37.1 tons [33.7 metric tons]
Sufficiency rating:75.6

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201675.6FairGoodFairVery Good-37000
August 201573.5FairGoodFairVery Good-55000
August 201476.7FairGoodFairVery Good-55000
July 201376.7FairGoodFairVery Good-55000
August 201276.7FairGoodFairVery Good-55000
August 201088.1GoodGoodVery GoodVery Good-38000
June 200888.0GoodGoodVery GoodVery Good-38500
June 200688.8GoodGoodVery GoodVery Good-43500
October 200490.6GoodGoodVery GoodVery Good-48500
August 200289.0GoodGoodVery GoodVery Good-40000
September 200087.8GoodGoodVery GoodVery Good-31000
September 199887.8GoodGoodVery GoodVery Good-31000
April 199789.9GoodVery GoodVery GoodVery Good-31000
January 199590.2GoodVery GoodVery GoodVery Good-35500
April 199190.6GoodVery GoodVery GoodVery Good-30500