I75 LL over I75 - LL / CSX RAILROAD


+35.96889, -83.97972
35°58'08" N, 83°58'47" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I75 LL over I75 - LL / CSX RAILROAD
Structure number:47I00750110
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:99.4 ft. [30.3 m]
Total length:279.5 ft. [85.2 m]
Roadway width between curbs:59.1 ft. [18.0 m]
Deck width edge-to-edge:61.0 ft. [18.6 m]
Vertical clearance below bridge:24.9 ft. [7.6 m]
Skew angle:45°
Owner:State Highway Agency [01]
Year built:1981
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Prestressed concrete continuous [6]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: January 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:77,840 [as of 2015]
Truck traffic:12% of total traffic
Deck condition:Very Good [8 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:Better than present minimum criteria [7]
Underclearances appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:59.4 tons [54.0 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:89.7

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
January 201789.7GoodVery GoodGoodGood-77840
January 201589.9GoodVery GoodGoodGood-75620
January 201390.1GoodVery GoodGoodGood-73550
January 201190.4GoodVery GoodGoodGood-70590
April 200891.0GoodVery GoodGoodGood-63820
December 200691.3GoodVery GoodGoodGood-71480
December 200491.0GoodVery GoodGoodGood-74310
March 200390.2FairSatisfactoryGoodGood-82880
February 200191.5GoodGoodGoodGood-69400
December 199891.3GoodGoodGoodGood-71490
February 199791.5GoodGoodGoodGood-69030
January 199594.1GoodGoodGoodGood-51450
December 199294.4GoodGoodGoodGood-48590
November 199094.4GoodGoodGoodGood-48590