I24
I24 in Sr1 Murf RD, Davidson County, Tennessee received a condition grade of B (62/100). Built in 1960, the bridge carries 149K vehicles daily on I24 over I24 Ll ST 143/SR 1 Murf.
I24 carries a B on the BridgeSafety Condition Score with 62/100. 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 1960 and is now 66 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. I24 carries an average daily traffic count of 148,679 vehicles, with 5 lane(s) crossing I24 Ll ST 143/SR 1 Murf. 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
I24 is a 66-year-old bridge located Sr1 Murf RD in Davidson County, Tennessee. The bridge carries I24 over I24 Ll ST 143/SR 1 Murf with 5 traffic lanes, handling approximately 149K vehicles per day. Built in 1960 and reconstructed in 1994, the structure spans 66.5 meters.
The bridge received a Condition Grade of B (62/100) based on Federal Highway Administration inspection data. Its deck is rated 5/9 (fair), superstructure 7/9 (good), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I24 has a Condition Score of 62/100 (Grade B). Its deck is rated 5/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
I24 was built in 1960 and reconstructed in 1994, making it 66 years old. The average bridge age in the United States is 48 years.
I24 carries approximately 149K vehicles per day (average daily traffic). The bridge has 5 traffic lanes. It is 66.5 meters long and located on I24 in Sr1 Murf RD, Davidson County, Tennessee.
No, I24 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
I24 is located Sr1 Murf RD in Davidson County, Tennessee. The bridge carries I24 over I24 Ll ST 143/SR 1 Murf. Its coordinates are 36.137203, -86.726814. It is maintained by State Highway Agency.
I24 carries I24 over I24 Ll ST 143/SR 1 Murf. The bridge is 66.5 meters long and was built in 1960, with reconstruction in 1994.
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.