I65 350215N
I65 350215N in .2 M N Williamson Co LN, Davidson County, Tennessee received a condition grade of B (60/100). Built in 1963, the bridge carries 123K vehicles daily on I65 350215N over Csx Railroad.
I65 350215N carries a B on the BridgeSafety Condition Score with 60/100. 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 1963 and is now 63 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 350215N carries an average daily traffic count of 123,245 vehicles, with 5 lane(s) crossing Csx Railroad. 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 350215N is a 63-year-old bridge located .2 M N Williamson Co LN in Davidson County, Tennessee. The bridge carries I65 350215N over Csx Railroad with 5 traffic lanes, handling approximately 123K vehicles per day. Built in 1963 and reconstructed in 1992, the structure spans 94.2 meters.
The bridge received a Condition Grade of B (60/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 7/9 (good), and substructure 5/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I65 350215N has a Condition Score of 60/100 (Grade B). Its deck is rated 6/9, superstructure 7/9, and substructure 5/9 on the NBI scale. The bridge is not classified as structurally deficient.
I65 350215N was built in 1963 and reconstructed in 1992, making it 63 years old. The average bridge age in the United States is 48 years.
I65 350215N carries approximately 123K vehicles per day (average daily traffic). The bridge has 5 traffic lanes. It is 94.2 meters long and located on I65 350215N in .2 M N Williamson Co LN, Davidson County, Tennessee.
No, I65 350215N 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 350215N is located .2 M N Williamson Co LN in Davidson County, Tennessee. The bridge carries I65 350215N over Csx Railroad. Its coordinates are 36.041625, -86.782425. It is maintained by State Highway Agency.
I65 350215N carries I65 350215N over Csx Railroad. The bridge is 94.2 meters long and was built in 1963, with reconstruction in 1992.
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.