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 2014 

Status:Open, no restriction [A]
Average daily traffic:118,230 [as of 2014]
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. ratingEvaluationDeckSuper.Sub.ADT
September 201477.0Not deficientGoodSatisfactoryGood118230
September 201267.0Not deficientSatisfactoryFairGood117520
September 201067.0Not deficientSatisfactoryFairGood112090
October 200867.0Not deficientSatisfactoryFairGood108720
October 200667.0Not deficientSatisfactoryFairGood113900
November 200468.0Not deficientSatisfactoryFairGood113090
July 200268.0Not deficientSatisfactoryFairGood111050
September 200068.0Not deficientSatisfactoryFairGood96690
August 199868.0Not deficientSatisfactoryFairGood103380
August 199679.0Not deficientGoodSatisfactoryGood98800
August 199479.0Not deficientGoodSatisfactoryGood91490
September 199271.6Not deficientSatisfactorySatisfactoryGood65500
December 199071.6Not deficientSatisfactorySatisfactoryGood65500