I40
I40 in I24-I40 Interchange - C7, Davidson County, Tennessee received a condition grade of B (78/100). Built in 2003, the bridge carries 131K vehicles daily on I40 over Rmp I40.
I40 carries a B on the BridgeSafety Condition Score with 78/100. 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 2003 and is 23 years old — relatively young against the U.S. bridge stock. Modern bridges built to current FHWA standards generally outperform older structures on condition ratings. I40 carries an average daily traffic count of 131,122 vehicles, with 2 lane(s) crossing Rmp I40. 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
I40 is a 23-year-old bridge located I24-I40 Interchange - C7 in Davidson County, Tennessee. The bridge carries I40 over Rmp I40 with 2 traffic lanes, handling approximately 131K vehicles per day. Built in 2003, the structure spans 74.1 meters.
The bridge received a Condition Grade of B (78/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (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 78/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
I40 was built in 2003, making it 23 years old. The average bridge age in the United States is 48 years.
I40 carries approximately 131K vehicles per day (average daily traffic). The bridge has 2 traffic lanes. It is 74.1 meters long and located on I40 in I24-I40 Interchange - C7, Davidson 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 I24-I40 Interchange - C7 in Davidson County, Tennessee. The bridge carries I40 over Rmp I40. Its coordinates are 36.138733, -86.727203. It is maintained by State Highway Agency.
I40 carries I40 over Rmp I40. The bridge is 74.1 meters long and was built in 2003.
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.