+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 2014 

Status:Open, no restriction [A]
Average daily traffic:1,990 [as of 2015]
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. ratingEvaluationDeckSuper.Sub.ADT
September 201495.6Not deficientGoodGoodGood1990
September 201295.6Not deficientSatisfactoryGoodGood1990
September 201096.6Not deficientSatisfactoryGoodGood1990
August 200896.6Not deficientSatisfactoryGoodGood1990
September 200696.6Not deficientSatisfactorySatisfactoryGood1990
November 200496.6Not deficientGoodSatisfactoryGood1990
July 200296.6Not deficientGoodSatisfactoryGood1990
August 200080.3Not deficientGoodFairGood98700
July 199890.9Not deficientGoodGoodGood123350
July 199679.0Not deficientVery GoodVery GoodVery Good108900
August 199479.0Not deficientVery GoodVery GoodVery Good100750
July 199279.0Not deficientVery GoodVery GoodVery Good2825
September 199169.1Functionally obsoleteSatisfactoryGoodGood71850