+35.03111, -85.31750
35°01'52" N, 85°19'03" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I24 EB RAMP over I24 EB RP/A660 CHESTNUT
Structure number:33I00240017
Location:.1 M E OF I124
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:73.2 ft. [22.3 m]
Total length:181.1 ft. [55.2 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:35.1 ft. [10.7 m]
Vertical clearance below bridge:26.2 ft. [8.0 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1961
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:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
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:Good
Status:Open, no restriction [A]
Average daily traffic:1,990 [as of 2017]
Truck traffic:14% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Operating rating:57.4 tons [52.2 metric tons]
Inventory rating:34.7 tons [31.5 metric tons]
Sufficiency rating:95.6

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201695.6GoodGoodGoodGood-1990
September 201495.6GoodGoodGoodGood-1990
September 201295.6FairSatisfactoryGoodGood-1990
September 201096.6FairSatisfactoryGoodGood-1990
August 200896.6FairSatisfactoryGoodGood-1990
September 200696.6FairSatisfactorySatisfactoryGood-1990
November 200496.6FairGoodSatisfactoryGood-1990
July 200296.6FairGoodSatisfactoryGood-1990
August 200080.3FairGoodFairGood-98700
July 199890.9GoodGoodGoodGood-123350
July 199679.0GoodVery GoodVery GoodVery Good-108900
August 199479.0GoodVery GoodVery GoodVery Good-100750
July 199279.0GoodVery GoodVery GoodVery Good-2825
September 199169.1FairSatisfactoryGoodGoodFO71850