I75 350029M over CSX RAILROAD


+35.01100, -85.18937
35°00'40" N, 85°11'22" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I75 350029M over CSX RAILROAD
Structure number:33I00750023
Location:1.4 MI N OF I-24 JUNCTION
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:50.9 ft. [15.5 m]
Total length:140.1 ft. [42.7 m]
Roadway width between curbs:124.3 ft. [37.9 m]
Deck width edge-to-edge:129.9 ft. [39.6 m]
Vertical clearance below bridge:19.7 ft. [6.0 m]
Skew angle:32°
Owner:State Highway Agency [01]
Year built:1960
Year reconstructed:1992
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:Prestressed concrete [5]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Precast Panels [2]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: July 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:129,750 [as of 2017]
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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:77.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$3,574,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2018GoodGoodGoodGood12975077.0
July 2016GoodGoodGoodGood12219077.0
July 2014GoodGoodGoodGood11760077.0
July 2012FairSatisfactoryGoodGood11870077.0
July 2010FairSatisfactoryGoodGood11582079.0
July 2008FairSatisfactoryGoodGood11715079.0
July 2006FairSatisfactoryGoodGood13369079.0
August 2004FairSatisfactoryGoodGood12765079.0
August 2002FairSatisfactoryGoodGood12368079.0
September 2000FairSatisfactoryGoodGood10754086.8
September 1998FairSatisfactoryGoodGood11571086.0
August 1996FairSatisfactoryGoodGood11606086.0
December 1994FairSatisfactoryGoodGood9558089.7
January 1993GoodGoodGoodGood8251090.7
December 1990GoodGoodGoodGood8251090.7

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Closed Web/Box Girderlinear ft.4,9004,79310610
Reinforced Concrete Decksq. ft.18,20012,2006,00000
Reinforced Concrete Columneach1817010
Reinforced Concrete Abutmentlinear ft.30013915380
Reinforced Concrete Pier Caplinear ft.260255050
Fixed Bearingeach7070000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.420420000