I24 over CANNON AVE (NFA B631)


+35.02203, -85.29820
35°01'19" N, 85°17'54" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I24 over CANNON AVE (NFA B631)
Structure number:33I00240033
Location:.1 MI FROM SR27
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:56.1 ft. [17.1 m]
Total length:123.0 ft. [37.5 m]
Roadway width between curbs:133.9 ft. [40.8 m]
Deck width edge-to-edge:138.1 ft. [42.1 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:11°
Owner:State Highway Agency [01]
Year built:1962
Year reconstructed:1987
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18+Mod / HS 20+Mod [6]
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:Bituminous [6]

Latest Available Inspection: September 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:120,370 [as of 2017]
Truck traffic:14% of total traffic
Deck condition:Good [7 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: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:77.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$3,391,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2018FairGoodSatisfactoryGood12037077.0
September 2016FairGoodSatisfactoryGood11800077.0
September 2014FairGoodSatisfactoryGood11823077.0
September 2012FairSatisfactoryFairGood11752067.0
September 2010FairSatisfactoryFairGood11209067.0
October 2008FairSatisfactoryFairGood10872067.0
October 2006FairSatisfactoryFairGood11390067.0
November 2004FairSatisfactoryFairGood11309068.0
July 2002FairSatisfactoryFairGood11105068.0
September 2000FairSatisfactoryFairGood9669068.0
August 1998FairSatisfactoryFairGood10338068.0
August 1996FairGoodSatisfactoryGood9880079.0
August 1994FairGoodSatisfactoryGood9149079.0
September 1992FairSatisfactorySatisfactoryGood6550071.6
December 1990FairSatisfactorySatisfactoryGood6550071.6

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Closed Web/Box Girderlinear ft.5,0003,9521,000480
Reinforced Concrete Decksq. ft.17,2508,6238,62520
Wearing Surfacessq. ft.16,75016,750000
Reinforced Concrete Columneach2017030
Reinforced Concrete Abutmentlinear ft.276272130
Reinforced Concrete Pier Caplinear ft.27625610100
Fixed Bearingeach8080000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.250250000