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I 20 over VALLEY ST/ LYNCH CREEK

Map 

Coordinates:
+32.28512, -90.21513
32°17'06" 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:11000200250441B
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:96.1 ft. [29.3 m]
Total length:1110.0 ft. [338.3 m]
Roadway width between curbs:52.5 ft. [16.0 m]
Deck width edge-to-edge:55.8 ft. [17.0 m]
Vertical clearance below bridge:16.1 ft. [4.9 m]
Skew angle:40°
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:17
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:37,000 [as of 2013]
Truck traffic:13% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Better than present minimum criteria [7]
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:63.5 tons [57.7 metric tons]
Inventory rating:38.1 tons [34.6 metric tons]
Sufficiency rating:89.3

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
August 201589.3Not deficientGoodGoodGood37000
August 201490.6Not deficientGoodGoodVery Good47500
July 201390.6Not deficientGoodGoodVery Good47500
July 201290.6Not deficientGoodGoodVery Good47500
August 201091.1Not deficientGoodVery GoodVery Good38000
June 200890.2Not deficientGoodVery GoodVery Good35500
June 200690.8Not deficientGoodVery GoodVery Good43500
October 200490.6Not deficientGoodVery GoodVery Good48500
August 200291.0Not deficientGoodVery GoodVery Good40000
September 200089.9Not deficientGoodVery GoodVery Good31000
September 199889.9Not deficientGoodVery GoodVery Good31000
April 199789.9Not deficientVery GoodVery GoodVery Good31000
January 199590.2Not deficientVery GoodVery GoodVery Good35500
April 199190.6Not deficientVery GoodVery GoodVery Good30500