Share:

I-75 over US 25W

Map

Coordinates:
+36.63454, -84.11723
36°38'04" N, 84°07'02" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-75 over US 25W
Structure number:118B00055R
Old structure number:118*0075*B0055P (from 1992 edition)
Location:NBL 3.2 MI N OF TENN ST L
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:87.9 ft. [26.8 m]
Total length:213.9 ft. [65.2 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:36.1 ft. [11.0 m]
Vertical clearance below bridge:15.1 ft. [4.6 m]
Skew angle:45°
Owner:State Highway Agency [01]
Year built:1962
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Concrete continuous [2]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: November 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:14,023 [as of 2014]
Truck traffic:30% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:76.8 tons [69.8 metric tons]
Inventory rating:46.0 tons [41.8 metric tons]
Sufficiency rating:80.2
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$963,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
November 201580.2FairSatisfactorySatisfactorySatisfactory-14023
November 201380.3FairSatisfactorySatisfactorySatisfactory-12700
March 201280.3FairSatisfactorySatisfactorySatisfactory-12700
March 201076.5FairSatisfactorySatisfactorySatisfactory-12700
March 200876.0FairSatisfactorySatisfactoryGood-25400
January 200456.0FairSatisfactoryFairSatisfactory-25447
March 200264.2FairFairFairSatisfactory-26056
April 199864.2FairFairFairSatisfactory-26056
April 199677.0FairSatisfactorySatisfactorySatisfactory-25020
November 199479.0FairSatisfactorySatisfactorySatisfactory-10565
June 199267.8FairSatisfactoryFairSatisfactory-10565
August 199079.0FairGoodSatisfactoryGood-10565

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Reinforced Concrete Girder/Beamlinear ft.8568461000
Deck
Reinforced Concrete Top Flangesq. ft.7,7207,33438600
Wearing Surfacessq. ft.6,39206,39200
Substructure
Reinforced Concrete Columneach86200
Reinforced Concrete Abutmentlinear ft.156148800
Reinforced Concrete Pier Caplinear ft.9286600
Joints
Pourable Jointlinear ft.72541008
Open Jointlinear ft.4848000
Bearings
Movable Bearingeach128400
Steel Protective Coatingsq. ft.128400
Fixed Bearingeach40400
Steel Protective Coatingsq. ft.40400
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.4284181000
Steel Protective Coatingsq. ft.1,7121,712000
Reinforced Concrete Bridge Raillinear ft.4844345000
Other Material Bridge Raillinear ft.428428000