I65
I65 in I65/Trinity Lane, Davidson County, Tennessee received a condition grade of C (56/100). Built in 1961, the bridge carries 183K vehicles daily on I65 over Trinity Lane.
I65 carries a C on the BridgeSafety Condition Score with 56/100. Component ratings sit in the middle of the FHWA NBI distribution; rehabilitation programming is likely on the owning agency’s medium-term horizon.
The bridge was built in 1961 and is now 65 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. I65 carries an average daily traffic count of 182,508 vehicles, with 10 lane(s) crossing Trinity Lane. 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
I65 is a 65-year-old bridge located I65/Trinity Lane in Davidson County, Tennessee. The bridge carries I65 over Trinity Lane with 10 traffic lanes, handling approximately 183K vehicles per day. Built in 1961 and reconstructed in 1997, the structure spans 55.8 meters.
The bridge received a Condition Grade of C (56/100) based on Federal Highway Administration inspection data. Its deck is rated 5/9 (fair), superstructure 5/9 (fair), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I65 has a Condition Score of 56/100 (Grade C). Its deck is rated 5/9, superstructure 5/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
I65 was built in 1961 and reconstructed in 1997, making it 65 years old. The average bridge age in the United States is 48 years.
I65 carries approximately 183K vehicles per day (average daily traffic). The bridge has 10 traffic lanes. It is 55.8 meters long and located on I65 in I65/Trinity Lane, Davidson County, Tennessee.
No, I65 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
I65 is located I65/Trinity Lane in Davidson County, Tennessee. The bridge carries I65 over Trinity Lane. Its coordinates are 36.206269, -86.776236. It is maintained by State Highway Agency.
I65 carries I65 over Trinity Lane. The bridge is 55.8 meters long and was built in 1961, with reconstruction in 1997.
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.