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 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:105,930 [as of 2015]
Truck traffic:14% of total traffic
Deck condition:Satisfactory [6 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 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, 2018 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.3,5673,567000
Reinforced Concrete Decksq. ft.15,25215,252000
Reinforced Concrete Columneach1818000
Reinforced Concrete Abutmentlinear ft.248248000
Reinforced Concrete Pier Caplinear ft.248248000
Fixed Bearingeach5858000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.369369000