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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

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
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 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:55,000 [as of 2015]
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:83.3

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201683.3FairSatisfactorySatisfactoryVery Good-55000
August 201486.1FairSatisfactorySatisfactoryVery Good-56500
August 201286.2FairSatisfactorySatisfactoryVery Good-55000
July 201085.5GoodGoodVery GoodVery Good-67000
June 200883.8GoodGoodVery GoodVery Good-62500
June 200687.2GoodGoodVery GoodVery Good-54500
October 200473.4GoodGoodVery GoodVery GoodFO57500
September 200286.9GoodGoodVery GoodVery Good-60000
September 200085.0GoodGoodVery GoodVery Good-48500
September 199885.0GoodGoodVery GoodVery Good-48500
February 199785.0GoodGoodVery GoodVery Good-48500
February 199584.6GoodGoodVery GoodVery GoodFO40300
April 199184.9GoodGoodVery GoodVery GoodFO36640