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I 20 over LYNCH CREEK

Map

Coordinates:
+32.28656, -90.21900
32°17'12" N, 90°13'08" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

Name:I 20 over LYNCH CREEK
Structure number:11000200250439B
Location:2.8 MI E SR 18
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:69.9 ft. [21.3 m]
Total length:212.9 ft. [64.9 m]
Roadway width between curbs:50.9 ft. [15.5 m]
Deck width edge-to-edge:53.8 ft. [16.4 m]
Skew angle:30°
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+Mod / HS 20+Mod [6]
Number of main spans:3
Main spans material:Prestressed concrete [5]
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:Fair [5 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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:103.8 tons [94.4 metric tons]
Inventory rating:66.4 tons [60.4 metric tons]
Sufficiency rating:86.2

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201686.2FairFairVery GoodVery Good-37000
August 201488.1FairFairVery GoodVery Good-37000
August 201286.7FairFairVery GoodVery Good-64500
July 201086.7FairFairVery GoodVery Good-64500
June 200888.9GoodGoodVery GoodVery Good-62500
June 200689.8GoodGoodVery GoodVery Good-43500
October 200489.6GoodGoodVery GoodVery Good-48500
August 200290.0GoodGoodVery GoodVery Good-40000
September 200088.9GoodGoodVery GoodVery Good-31000
September 199888.9GoodGoodVery GoodVery Good-31000
November 199688.9GoodVery GoodVery GoodVery Good-31000
January 199589.1GoodVery GoodVery GoodVery Good-35500
April 199189.5GoodVery GoodVery GoodVery Good-30500