I24 over CANNON AVE (NFA B631)


+35.02194, -85.29806
35°01'19" N, 85°17'53" 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:15.1 ft. [4.6 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 2016 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:118,000 [as of 2015]
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]
Operating rating:74.2 tons [67.5 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
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 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201677.0FairGoodSatisfactoryGood-118000
September 201477.0FairGoodSatisfactoryGood-118230
September 201267.0FairSatisfactoryFairGood-117520
September 201067.0FairSatisfactoryFairGood-112090
October 200867.0FairSatisfactoryFairGood-108720
October 200667.0FairSatisfactoryFairGood-113900
November 200468.0FairSatisfactoryFairGood-113090
July 200268.0FairSatisfactoryFairGood-111050
September 200068.0FairSatisfactoryFairGood-96690
August 199868.0FairSatisfactoryFairGood-103380
August 199679.0FairGoodSatisfactoryGood-98800
August 199479.0FairGoodSatisfactoryGood-91490
September 199271.6FairSatisfactorySatisfactoryGood-65500
December 199071.6FairSatisfactorySatisfactoryGood-65500