I75 350029M over CSX RAILROAD


+35.01083, -85.18917
35°00'39" N, 85°11'21" 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:22.0 ft. [6.7 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 2014 

Status:Open, no restriction [A]
Average daily traffic:117,600 [as of 2014]
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]
Operating rating:68.3 tons [62.1 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:$3,574,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201477.0Not deficientGoodGoodGood117600
July 201277.0Not deficientSatisfactoryGoodGood118700
July 201079.0Not deficientSatisfactoryGoodGood115820
July 200879.0Not deficientSatisfactoryGoodGood117150
July 200679.0Not deficientSatisfactoryGoodGood133690
August 200479.0Not deficientSatisfactoryGoodGood127650
August 200279.0Not deficientSatisfactoryGoodGood123680
September 200086.8Not deficientSatisfactoryGoodGood107540
September 199886.0Not deficientSatisfactoryGoodGood115710
August 199686.0Not deficientSatisfactoryGoodGood116060
December 199489.7Not deficientSatisfactoryGoodGood95580
January 199390.7Not deficientGoodGoodGood82510
December 199090.7Not deficientGoodGoodGood82510