I75 350029M
I75 350029M in 1.4 MI N Of I-24 Junction, Hamilton County, Tennessee received a condition grade of B (62/100). Built in 1960, the bridge carries 138K vehicles daily on I75 350029M 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
I75 350029M is a 66-year-old bridge located 1.4 MI N Of I-24 Junction in Hamilton County, Tennessee. The bridge carries I75 350029M over Csx Railroad with 8 traffic lanes, handling approximately 138K vehicles per day. Built in 1960 and reconstructed in 1992, the structure spans 42.7 meters.
The bridge received a Condition Grade of B (62/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 7/9 (good), and substructure 6/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I75 350029M has a Condition Score of 62/100 (Grade B). Its deck is rated 6/9, superstructure 7/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.
I75 350029M was built in 1960 and reconstructed in 1992, making it 66 years old. The average bridge age in the United States is 48 years.
I75 350029M carries approximately 138K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 42.7 meters long and located on I75 350029M in 1.4 MI N Of I-24 Junction, Hamilton County, Tennessee.
No, I75 350029M is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
I75 350029M is located 1.4 MI N Of I-24 Junction in Hamilton County, Tennessee. The bridge carries I75 350029M over Csx Railroad. Its coordinates are 35.011003, -85.189369. It is maintained by State Highway Agency.
I75 350029M carries I75 350029M over Csx Railroad. The bridge is 42.7 meters long and was built in 1960, 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.