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I75 RP TO I24 over I24 EB TO I75 NB

Map

Coordinates:
+35.00410, -85.21323
35°00'15" N, 85°12'48" 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:13.1 ft. [4.0 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]
Sufficiency rating:84.9

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2016GoodGoodGoodGood2077084.9
July 2014GoodGoodGoodGood2077087.9
July 2012FairGoodSatisfactoryGood2077087.9
July 2010FairGoodSatisfactoryGood2077087.9
July 2008FairGoodSatisfactoryGood2077087.9
July 2006FairGoodSatisfactoryGood2077087.9
August 2004FairGoodSatisfactoryGood2077087.9
August 2002FairGoodSatisfactoryGood2077087.9
September 2000FairGoodSatisfactoryGood10754074.0
September 1998FairGoodSatisfactoryGood11571074.0
August 1996FairGoodSatisfactoryGood11606062.0
November 1994FairGoodSatisfactoryGood9558063.0
October 1992FairGoodSatisfactoryGood8251068.0
December 1990FairGoodSatisfactoryGood8251065.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Closed Web/Box Girderlinear ft.1,8701,870000
Deck
Reinforced Concrete Decksq. ft.6,2906,290000
Substructure
Reinforced Concrete Columneach66000
Reinforced Concrete Abutmentlinear ft.150150000
Reinforced Concrete Pier Caplinear ft.116116000
Bearings
Elastomeric Bearingeach6666000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.340340000