Home › Tennessee › Montgomery County › Nfa A509 over Antioch Creek

Nfa A509 over Antioch Creek

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

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

Nfa A509 over Antioch Creek in Montgomery 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 1983, making it 42 years old at the 2025 inventory.
It carries about 150 vehicles a day (traffic count year 2020).
Its listed owner is the county highway agency.
It is one of 73 of the 186 inventoried bridges in Montgomery County rated good (39.2%); 9 (4.8%) 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	Prestressed concrete single box beam
Length	about 65 ft
Location	3.5 M. N. Cunningham.
NBI structure number	630A5090001
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 Red River	1972	88,998	Fair
I24 over Red River	1972	88,998	Fair
I24 over I24 Rl / SR 76	1972	88,998	Fair
I24 over I24 Ll / SR 76	1972	88,998	Fair
I24 over Spring Creek	1970	73,806	Good
I24 over Spring Creek	1970	73,806	Good