I24 WB over I24 WB / A660 & CSX RR


+35.03194, -85.31722
35°01'55" 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:30.2 ft. [9.2 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 2014 

Status:Open, no restriction [A]
Average daily traffic:109,260 [as of 2014]
Truck traffic:14% of total traffic
Deck condition:Fair [5 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]
Operating rating:70.3 tons [63.9 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:85.5

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
September 201485.5Not deficientFairSatisfactoryGood109260
September 201286.1Not deficientFairSatisfactoryGood116420
September 201086.7Not deficientFairSatisfactoryGood104320
September 200886.3Not deficientFairSatisfactoryGood112170
September 200686.1Not deficientFairSatisfactoryGood116160
December 200486.2Not deficientFairGoodGood115510
July 200286.3Not deficientFairGoodGood113250
August 200074.0Not deficientFairVery GoodGood98700
August 199875.0Not deficientVery GoodExcellentExcellent123350
July 199675.0Not deficientVery GoodExcellentExcellent108900
September 199475.0Not deficientVery GoodExcellentExcellent100750
July 199275.0Not deficientVery GoodExcellentExcellent71850