I24 EB over I24EB / A660 & CSX RR


+35.03202, -85.31750
35°01'55" N, 85°19'03" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I24 EB over I24EB / A660 & CSX RR
Structure number:33I00240081
Location:.1 M E OF I124 JCT
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:92.9 ft. [28.3 m]
Total length:519.1 ft. [158.2 m]
Roadway width between curbs:45.9 ft. [14.0 m]
Deck width edge-to-edge:47.9 ft. [14.6 m]
Vertical clearance below bridge:29.5 ft. [9.0 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1990
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:8
Main spans material:Prestressed concrete continuous [6]
Main spans design:Box Beam or girders - Single or Spread [06]
Deck type:Concrete Precast Panels [2]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: September 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:119,490 [as of 2017]
Truck traffic:14% 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:85.5

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2018GoodVery GoodGoodGood11949085.5
September 2016FairFairGoodGood10593097.0
September 2014FairFairGoodGood10926097.0
September 2012FairFairGoodGood11642097.0
September 2010FairFairGoodGood10432097.0
September 2008FairFairGoodGood11217097.0
September 2006FairFairGoodGood11616097.0
December 2004FairFairGoodGood11551097.0
July 2002FairFairGoodGood11325097.0
August 2000FairSatisfactoryGoodGood9870098.0
August 1998FairSatisfactoryGoodGood12335098.0
July 1996GoodGoodVery GoodGood10890098.0
August 1994GoodGoodVery GoodGood10075098.0
July 1992GoodGoodVery GoodGood7185098.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Closed Web/Box Girderlinear ft.2,0762,0224950
Reinforced Concrete Decksq. ft.24,91224,912000
Reinforced Concrete Columneach1414000
Reinforced Concrete Abutmentlinear ft.984539140
Reinforced Concrete Pier Caplinear ft.3012722540
Fixed Bearingeach2828000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,0381,0231500