NFA E474 over I75


+35.05528, -85.13806
35°03'19" N, 85°08'17" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:NFA E474 over I75
Structure number:33I00750055
Location:0.5 MI S OF SR-2 JCT.
Purpose:Carries highway over highway
Route classification:Local (Urban) [19]
Length of largest span:119.1 ft. [36.3 m]
Total length:326.1 ft. [99.4 m]
Roadway width between curbs:31.5 ft. [9.6 m]
Deck width edge-to-edge:33.5 ft. [10.2 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:31°
Owner:State Highway Agency [01]
Year built:2004
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:4
Main spans material:Prestressed concrete continuous [6]
Main spans design:Stringer/Multi-beam or girder [02]
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:5,990 [as of 2015]
Truck traffic:2% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Better than present minimum criteria [7]
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:59.4 tons [54.0 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:90.6

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201490.6Not deficientGoodGoodVery Good5990
July 201290.6Not deficientGoodGoodVery Good5990
July 201090.6Not deficientGoodGoodVery Good5990
July 200890.6Not deficientGoodGoodVery Good5990
July 200690.6Not deficientGoodGoodVery Good5990
August 200490.6Not deficientGoodGoodVery Good5990
August 200263.5Not deficientSatisfactoryFairSatisfactory5990
October 200061.5Not deficientSatisfactoryFairSatisfactory5990
September 199863.5Not deficientSatisfactoryFairSatisfactory5990
September 199674.5Not deficientSatisfactoryFairSatisfactory2000
February 199574.5Not deficientSatisfactoryFairSatisfactory2000
November 199283.6Not deficient-SatisfactoryGood2000
January 199183.6Not deficient-SatisfactoryGood2000