I65 877478L
I65 877478L in 1.2 M NE JCT I65&Sr253, Williamson County, Tennessee received a condition grade of C (57/100). Built in 1965, the bridge carries 128K vehicles daily on I65 877478L over Csx Railroad.
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 877478L is a 61-year-old bridge located 1.2 M NE JCT I65&Sr253 in Williamson County, Tennessee. The bridge carries I65 877478L over Csx Railroad with 4 traffic lanes, handling approximately 128K vehicles per day. Built in 1965 and reconstructed in 1993, the structure spans 61.1 meters.
The bridge received a Condition Grade of C (57/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 6/9 (fair), and substructure 5/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I65 877478L has a Condition Score of 57/100 (Grade C). Its deck is rated 6/9, superstructure 6/9, and substructure 5/9 on the NBI scale. The bridge is not classified as structurally deficient.
I65 877478L was built in 1965 and reconstructed in 1993, making it 61 years old. The average bridge age in the United States is 48 years.
I65 877478L carries approximately 128K vehicles per day (average daily traffic). The bridge has 4 traffic lanes. It is 61.1 meters long and located on I65 877478L in 1.2 M NE JCT I65&Sr253, Williamson County, Tennessee.
No, I65 877478L 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 877478L is located 1.2 M NE JCT I65&Sr253 in Williamson County, Tennessee. The bridge carries I65 877478L over Csx Railroad. Its coordinates are 36.009083, -86.785636. It is maintained by State Highway Agency.
I65 877478L carries I65 877478L over Csx Railroad. The bridge is 61.1 meters long and was built in 1965, with reconstruction in 1993.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.