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I20W I55S over GALLATIN ST LYNCH CK

Map 

Coordinates:
+32.27570, -90.19309
32°16'33" N, 90°11'35" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I20W I55S over GALLATIN ST LYNCH CK
Structure number:110002002504580
Location:0.8 MI E I 55S/ 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:880.0 ft. [268.2 m]
Roadway width between curbs:50.9 ft. [15.5 m]
Deck width edge-to-edge:53.8 ft. [16.4 m]
Vertical clearance below bridge:16.4 ft. [5.0 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 2014 

Status:Open, no restriction [A]
Average daily traffic:56,500 [as of 2012]
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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
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:86.1

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
August 201486.1Not deficientSatisfactorySatisfactoryVery Good56500
August 201286.2Not deficientSatisfactorySatisfactoryVery Good55000
July 201085.5Not deficientGoodVery GoodVery Good67000
June 200883.8Not deficientGoodVery GoodVery Good62500
June 200687.2Not deficientGoodVery GoodVery Good54500
October 200473.4Functionally obsoleteGoodVery GoodVery Good57500
September 200286.9Not deficientGoodVery GoodVery Good60000
September 200085.0Not deficientGoodVery GoodVery Good48500
September 199885.0Not deficientGoodVery GoodVery Good48500
February 199785.0Not deficientGoodVery GoodVery Good48500
February 199584.6Functionally obsoleteGoodVery GoodVery Good40300
April 199184.9Functionally obsoleteGoodVery GoodVery Good36640