I24 WB over I24 WB / A660 & CSX RR


+35.03220, -85.31735
35°01'56" N, 85°19'02" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I24 WB over I24 WB / A660 & CSX RR
Structure number:33I00240082
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:94.2 ft. [28.7 m]
Total length:519.1 ft. [158.2 m]
Roadway width between curbs:49.9 ft. [15.2 m]
Deck width edge-to-edge:51.8 ft. [15.8 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:Poor
Status:Open, no restriction [A]
Average daily traffic:119,490 [as of 2017]
Truck traffic:14% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:82.8

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2018PoorPoorSatisfactoryGood11949082.8
September 2016FairFairSatisfactoryGood10593085.7
September 2014FairFairSatisfactoryGood10926085.5
September 2012FairFairSatisfactoryGood11642086.1
September 2010FairFairSatisfactoryGood10432086.7
September 2008FairFairSatisfactoryGood11217086.3
September 2006FairFairSatisfactoryGood11616086.1
December 2004FairFairGoodGood11551086.2
July 2002FairFairGoodGood11325086.3
August 2000FairFairVery GoodGood9870074.0
August 1998GoodVery GoodExcellentExcellent12335075.0
July 1996GoodVery GoodExcellentExcellent10890075.0
September 1994GoodVery GoodExcellentExcellent10075075.0
July 1992GoodVery GoodExcellentExcellent7185075.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.2,5952,5752000
Reinforced Concrete Decksq. ft.29,58329,467343646
Reinforced Concrete Columneach1414000
Reinforced Concrete Abutmentlinear ft.106525220
Reinforced Concrete Pier Caplinear ft.3993762300
Strip Seal Jointlinear ft.104104000
Fixed Bearingeach3535000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,0381,038000