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 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:122,190 [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: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. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201677.0GoodGoodGoodGood-122190
July 201477.0GoodGoodGoodGood-117600
July 201277.0FairSatisfactoryGoodGood-118700
July 201079.0FairSatisfactoryGoodGood-115820
July 200879.0FairSatisfactoryGoodGood-117150
July 200679.0FairSatisfactoryGoodGood-133690
August 200479.0FairSatisfactoryGoodGood-127650
August 200279.0FairSatisfactoryGoodGood-123680
September 200086.8FairSatisfactoryGoodGood-107540
September 199886.0FairSatisfactoryGoodGood-115710
August 199686.0FairSatisfactoryGoodGood-116060
December 199489.7FairSatisfactoryGoodGood-95580
January 199390.7GoodGoodGoodGood-82510
December 199090.7GoodGoodGoodGood-82510