I-24 EB
I-24 EB in I24-I40 Interchange - C8, Davidson County, Tennessee received a condition grade of B (66/100). Built in 1960, the bridge carries 149K vehicles daily on I-24 EB over I-40 WB & Hermitage AVE..
I-24 EB carries a B on the BridgeSafety Condition Score with 66/100. Most component ratings are solid; one or two may show wear consistent with the structure’s age, but the bridge is not flagged as structurally deficient.
The bridge was built in 1960 and is now 66 years old, at or past the typical 50-year design life for bridges of its vintage. Maintenance and inspection cycles are correspondingly more involved than for newer structures. I-24 EB carries an average daily traffic count of 148,679 vehicles, with 2 lane(s) crossing I-40 WB & Hermitage AVE.. The owning agency is State Highway Agency; bridge inspection records flow into the federal NBI database annually.
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
I-24 EB is a 66-year-old bridge located I24-I40 Interchange - C8 in Davidson County, Tennessee. The bridge carries I-24 EB over I-40 WB & Hermitage AVE. with 2 traffic lanes, handling approximately 149K vehicles per day. Built in 1960 and reconstructed in 1973, the structure spans 105.5 meters.
The bridge received a Condition Grade of B (66/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 7/9 (good), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I-24 EB has a Condition Score of 66/100 (Grade B). Its deck is rated 6/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
I-24 EB was built in 1960 and reconstructed in 1973, making it 66 years old. The average bridge age in the United States is 48 years.
I-24 EB carries approximately 149K vehicles per day (average daily traffic). The bridge has 2 traffic lanes. It is 105.5 meters long and located on I-24 EB in I24-I40 Interchange - C8, Davidson County, Tennessee.
No, I-24 EB is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
I-24 EB is located I24-I40 Interchange - C8 in Davidson County, Tennessee. The bridge carries I-24 EB over I-40 WB & Hermitage AVE.. Its coordinates are 36.155194, -86.760011. It is maintained by State Highway Agency.
I-24 EB carries I-24 EB over I-40 WB & Hermitage AVE.. The bridge is 105.5 meters long and was built in 1960, with reconstruction in 1973.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.
Source: FHWA National Bridge Inventory, 2026.