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NFA E474 over I75

Map

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

Facts

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 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:5,990 [as of 2017]
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. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201690.6GoodGoodGoodVery Good-5990
July 201490.6GoodGoodGoodVery Good-5990
July 201290.6GoodGoodGoodVery Good-5990
July 201090.6GoodGoodGoodVery Good-5990
July 200890.6GoodGoodGoodVery Good-5990
July 200690.6GoodGoodGoodVery Good-5990
August 200490.6GoodGoodGoodVery Good-5990
August 200263.5FairSatisfactoryFairSatisfactory-5990
October 200061.5FairSatisfactoryFairSatisfactory-5990
September 199863.5FairSatisfactoryFairSatisfactory-5990
September 199674.5FairSatisfactoryFairSatisfactory-2000
February 199574.5FairSatisfactoryFairSatisfactory-2000
November 199283.6Fair-SatisfactoryGood-2000
January 199183.6Fair-SatisfactoryGood-2000