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Nfa 993 (sa 6009) over Isbel Branch

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

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

Nfa 993 (sa 6009) over Isbel Branch in Maury 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 9 (excellent condition) on the 0-9 scale.
It was built in 2021, making it 4 years old at the 2025 inventory.
It carries about 1,272 vehicles a day (traffic count year 2021).
Its listed owner is the county highway agency.
It is one of 169 of the 424 inventoried bridges in Maury County rated good (39.9%); 25 (5.9%) 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 multiple box beam
Length	about 55 ft
Location	8.5 M. SW. Columbia.
NBI structure number	60S62530001
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I65 over Pumpkin Creek	1963	60,646	Fair
I65 over Rutherford Creek	1961	60,646	Fair
I65 over Rutherford Creek	1961	60,646	Fair
I65 over I65 Rl / SR 99	2024	57,130	Good
I65 over Duck River	1962	52,122	Fair
I65 over Duck River	1962	52,122	Fair