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I24 over Mcmahon Hollow Rd

Robertson County, Tennessee · rated Good in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

I24 over Mcmahon Hollow Rd in Robertson County, Tennessee, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 1972, making it 53 years old at the 2025 inventory.
It carries about 75,818 vehicles a day (traffic count year 2021).
Its listed owner is the state highway agency.
It is one of 143 of the 204 inventoried bridges in Robertson County rated good (70.1%); 2 (1.0%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Continuous prestressed concrete single box beam
Length	about 150 ft
Location	1.95 Mi. NW Davidson Coln
NBI structure number	74I00240019
Condition class	Good

Source: FHWA National Bridge Inventory, 2025 data as reported by the Tennessee department of transportation.

Bridge	Built	Vehicles/day	Condition
I24 over Hollis Creek	1973	75,818	Good
I24 over Mcmahon Hollow Rd	1972	75,818	Good
I24 over Sycamore Creek	1972	75,818	Good
I24 over Sycamore Creek	1972	75,818	Good
I24 over Passenger Creek	1973	66,659	Good
I24 over Passenger Creek	1973	66,659	Good