I24 EB & WB over I24EB&WB/A643 WILLIAMS


+35.02992, -85.31330
35°01'48" N, 85°18'48" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I24 EB & WB over I24EB&WB/A643 WILLIAMS
Structure number:33I00240023
Location:.4 M E OF I124 JCT
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:59.1 ft. [18.0 m]
Total length:123.0 ft. [37.5 m]
Roadway width between curbs:118.4 ft. [36.1 m]
Deck width edge-to-edge:120.7 ft. [36.8 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Owner:State Highway Agency [01]
Year built:1960
Year reconstructed:1990
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
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: September 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:119,490 [as of 2017]
Truck traffic:14% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 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:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:65.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$3,005,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2018FairGoodFairFair11949065.0
September 2016FairSatisfactoryFairFair10593065.0
September 2014FairSatisfactoryFairFair10926065.0
September 2012FairSatisfactorySatisfactorySatisfactory11642076.0
September 2010FairSatisfactorySatisfactorySatisfactory10432078.0
September 2008FairSatisfactorySatisfactorySatisfactory11217078.0
September 2006FairSatisfactorySatisfactorySatisfactory11616078.0
October 2004FairSatisfactorySatisfactoryFair11551068.0
July 2002FairSatisfactorySatisfactoryFair11325068.0
August 2000FairSatisfactorySatisfactoryFair9870068.0
August 1998FairSatisfactorySatisfactoryGood11510079.0
July 1996GoodVery GoodGoodVery Good9380079.0
August 1994GoodVery GoodGoodVery Good8675079.0
July 1992GoodVery GoodVery GoodVery Good6190079.0
March 1991FairGoodSatisfactorySatisfactory6190095.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Closed Web/Box Girderlinear ft.3,5673,5140530
Prestressed Concrete Decksq. ft.7,6267,60610100
Prestressed Concrete Top Flangesq. ft.7,6267,626000
Reinforced Concrete Columneach1816110
Reinforced Concrete Abutmentlinear ft.2482261930
Reinforced Concrete Pier Caplinear ft.2484302050
Fixed Bearingeach116116000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.36930950100