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I75 RP TO I24 over I24 EB TO I75 NB

Map 

Coordinates:
+35.00389, -85.21306
35°00'14" N, 85°12'47" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I75 RP TO I24 over I24 EB TO I75 NB
Structure number:33I00240069
Location:JCT I-24 - I-75
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:67.9 ft. [20.7 m]
Total length:169.0 ft. [51.5 m]
Roadway width between curbs:38.4 ft. [11.7 m]
Deck width edge-to-edge:40.4 ft. [12.3 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:51°
Owner:State Highway Agency [01]
Year built:1959
Year reconstructed:1996
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:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: July 2014 

Status:Open, no restriction [A]
Average daily traffic:20,770 [as of 2015]
Truck traffic:22% 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:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:79.2 tons [72.0 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:87.9

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201487.9Functionally obsoleteGoodGoodGood20770
July 201287.9Functionally obsoleteGoodSatisfactoryGood20770
July 201087.9Functionally obsoleteGoodSatisfactoryGood20770
July 200887.9Functionally obsoleteGoodSatisfactoryGood20770
July 200687.9Functionally obsoleteGoodSatisfactoryGood20770
August 200487.9Not deficientGoodSatisfactoryGood20770
August 200287.9Not deficientGoodSatisfactoryGood20770
September 200074.0Not deficientGoodSatisfactoryGood107540
September 199874.0Not deficientGoodSatisfactoryGood115710
August 199662.0Not deficientGoodSatisfactoryGood116060
November 199463.0Not deficientGoodSatisfactoryGood95580
October 199268.0Not deficientGoodSatisfactoryGood82510
December 199065.0Functionally obsoleteGoodSatisfactoryGood82510