I40
I40 in Downtown Knoxville, Knox County, Tennessee received a condition grade of A (85/100). Built in 2001, the bridge carries 123K vehicles daily on I40 over Middlebrook/RR/E 3rd Crk.
Component Ratings
The riding surface — evaluated for cracking, spalling, and wear
Beams, girders, and trusses that support the deck
Piers, abutments, and foundations below the deck
Bridge Details
About This Bridge
I40 is a 25-year-old bridge located Downtown Knoxville in Knox County, Tennessee. The bridge carries I40 over Middlebrook/RR/E 3rd Crk with 1 traffic lane, handling approximately 123K vehicles per day. Built in 2001, the structure spans 231.9 meters.
The bridge received a Condition Grade of A (85/100) based on Federal Highway Administration inspection data. Its deck is rated 8/9 (good), superstructure 8/9 (good), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I40 has a Condition Score of 85/100 (Grade A). Its deck is rated 8/9, superstructure 8/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
I40 was built in 2001, making it 25 years old. The average bridge age in the United States is 48 years.
I40 carries approximately 123K vehicles per day (average daily traffic). The bridge has 1 traffic lane. It is 231.9 meters long and located on I40 in Downtown Knoxville, Knox County, Tennessee.
No, I40 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
I40 is located Downtown Knoxville in Knox County, Tennessee. The bridge carries I40 over Middlebrook/RR/E 3rd Crk. Its coordinates are 35.961839, -83.953164. It is maintained by State Highway Agency.
I40 carries I40 over Middlebrook/RR/E 3rd Crk. The bridge is 231.9 meters long and was built in 2001.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.