I24
I24 in .7 MI NW JCT Sr254, Davidson County, Tennessee received a condition grade of C (50/100). Built in 1958, the bridge carries 156K vehicles daily on I24 over Mill Creek. It is classified as structurally deficient.
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
I24 is a 68-year-old bridge located .7 MI NW JCT Sr254 in Davidson County, Tennessee. The bridge carries I24 over Mill Creek with 6 traffic lanes, handling approximately 156K vehicles per day. Built in 1958 and reconstructed in 1989, the structure spans 50.9 meters.
The bridge received a Condition Grade of C (50/100) based on Federal Highway Administration inspection data. Its deck is rated 5/9 (fair), superstructure 7/9 (good), and substructure 4/9 (poor). The bridge is classified as structurally deficient, meaning at least one major component is rated 4 or below — this signals a need for repair or replacement but does not necessarily indicate an immediate safety hazard.
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I24 has a Condition Score of 50/100 (Grade C). Its deck is rated 5/9, superstructure 7/9, and substructure 4/9 on the NBI scale. The bridge is classified as structurally deficient.
I24 was built in 1958 and reconstructed in 1989, making it 68 years old. The average bridge age in the United States is 48 years.
I24 carries approximately 156K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 50.9 meters long and located on I24 in .7 MI NW JCT Sr254, Davidson County, Tennessee.
Yes, I24 is classified as structurally deficient because at least one of its primary components (deck, superstructure, or substructure) is rated 4 or below on the 0-9 NBI scale. This does not necessarily mean it is unsafe, but it requires significant repair or replacement.
I24 is located .7 MI NW JCT Sr254 in Davidson County, Tennessee. The bridge carries I24 over Mill Creek. Its coordinates are 36.051678, -86.670289. It is maintained by State Highway Agency.
I24 carries I24 over Mill Creek. The bridge is 50.9 meters long and was built in 1958, with reconstruction in 1989.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.