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I75 RP TO I24 over I24 EB TO I75 NB

Map

Coordinates:
+35.00389, -85.21306
35°00'14" N, 85°12'47" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I75 RP TO I24 over I24 EB TO I75 NB
Structure number:33I00240069
Location:JCT I-24 - I-75
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:67.9 ft. [20.7 m]
Total length:169.0 ft. [51.5 m]
Roadway width between curbs:38.4 ft. [11.7 m]
Deck width edge-to-edge:40.4 ft. [12.3 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:51°
Owner:State Highway Agency [01]
Year built:1959
Year reconstructed:1996
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:3
Main spans material:Prestressed concrete [5]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: July 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:20,770 [as of 2017]
Truck traffic:22% 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:Superior to present desirable criteria [9]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Meets minimum tolerable limits to be left in place as is [4]
Scour condition:Bridge not over waterway. [N]
Operating rating:79.2 tons [72.0 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:84.9

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201684.9GoodGoodGoodGoodFO20770
July 201487.9GoodGoodGoodGoodFO20770
July 201287.9FairGoodSatisfactoryGoodFO20770
July 201087.9FairGoodSatisfactoryGoodFO20770
July 200887.9FairGoodSatisfactoryGoodFO20770
July 200687.9FairGoodSatisfactoryGoodFO20770
August 200487.9FairGoodSatisfactoryGood-20770
August 200287.9FairGoodSatisfactoryGood-20770
September 200074.0FairGoodSatisfactoryGood-107540
September 199874.0FairGoodSatisfactoryGood-115710
August 199662.0FairGoodSatisfactoryGood-116060
November 199463.0FairGoodSatisfactoryGood-95580
October 199268.0FairGoodSatisfactoryGood-82510
December 199065.0FairGoodSatisfactoryGoodFO82510