Share:

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 2015 

Status:Open, no restriction [A]
Average daily traffic:55,000 [as of 2013]
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:73.5

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
August 201573.5Not deficientGoodFairVery Good55000
August 201476.7Not deficientGoodFairVery Good55000
July 201376.7Not deficientGoodFairVery Good55000
August 201276.7Not deficientGoodFairVery Good55000
August 201088.1Not deficientGoodVery GoodVery Good38000
June 200888.0Not deficientGoodVery GoodVery Good38500
June 200688.8Not deficientGoodVery GoodVery Good43500
October 200490.6Not deficientGoodVery GoodVery Good48500
August 200289.0Not deficientGoodVery GoodVery Good40000
September 200087.8Not deficientGoodVery GoodVery Good31000
September 199887.8Not deficientGoodVery GoodVery Good31000
April 199789.9Not deficientVery GoodVery GoodVery Good31000
January 199590.2Not deficientVery GoodVery GoodVery Good35500
April 199190.6Not deficientVery GoodVery GoodVery Good30500