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I 20E I55N over GALLATIN ST LYNCH CK

Map 

Coordinates:
+32.27603, -90.19308
32°16'34" N, 90°11'35" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I 20E I55N over GALLATIN ST LYNCH CK
Structure number:110002002504590
Location:0.8 MI E I 55/I 20W
Purpose:Carries highway over highway and waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:80.1 ft. [24.4 m]
Total length:839.9 ft. [256.0 m]
Roadway width between curbs:55.4 ft. [16.9 m]
Deck width edge-to-edge:59.4 ft. [18.1 m]
Vertical clearance below bridge:18.0 ft. [5.5 m]
Owner:State Highway Agency [01]
Year built:1966
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:Concrete continuous [2]
Main spans design:Box Beam or girders - Single or Spread [06]
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:55,500 [as of 2014]
Truck traffic:13% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances 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:56.7 tons [51.5 metric tons]
Inventory rating:49.5 tons [45.0 metric tons]
Sufficiency rating:70.4
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$936,000,000

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201670.4FairSatisfactorySatisfactoryVery Good-55500
August 201473.6FairSatisfactorySatisfactoryVery Good-56500
August 201273.7FairSatisfactorySatisfactoryVery Good-55000
July 201073.0GoodGoodVery GoodVery Good-67000
June 200873.3GoodGoodVery GoodVery Good-62500
June 200676.8GoodGoodVery GoodVery Good-54500
October 200476.6GoodGoodVery GoodVery Good-57500
September 200276.4GoodGoodVery GoodVery Good-60000
September 200074.2GoodGoodVery GoodVery Good-48500
September 199874.2GoodGoodVery GoodVery Good-48500
February 199774.2GoodGoodVery GoodVery Good-48500
February 199576.2GoodGoodVery GoodVery Good-40300
April 199176.5GoodGoodVery GoodVery Good-36640