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Bridge conditions in Loudon County, Tennessee

117 inventoried bridges · 2 rated poor · 2025 National Bridge Inventory

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

The federal inventory lists 117 bridges in Loudon County: 76 rated good, 39 fair, and 2 poor.

2 of the 117 bridges in Loudon County, Tennessee, are rated in poor condition (1.7%) in the 2025 National Bridge Inventory, as of August 20, 2026.
76 bridges (65.0%) are rated good and 39 (33.3%) fair.
The median Loudon County bridge was built in 1972.
The busiest poor-rated bridge is Nfa A661 over Polecat Creek (built 1944), carrying about 230 vehicles a day.

Good 65.0% · Fair 33.3% · Poor 1.7% of 117 bridges

Bridges rated poor

Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.

Bridge	Built	Vehicles/day	Condition
Nfa A661 over Polecat Creek	1944	230	Poor
Nfa A808 over Bacon Creek	1930	220	Poor

Busiest bridges in the county

Bridge	Built	Vehicles/day	Condition
I75 Ramp to I40 WB over I40 Ebl	1964	58,302	Good
I75 over SR 1	1964	58,302	Good
I75 over SR 1	1964	58,302	Good
I75 over Hope Creek	1972	58,302	Fair
I75 over I75 Rl / E. Hotchkiss CR	1972	55,134	Fair
I75 over I75 Ll / E. Hotchkiss CR	1972	55,134	Fair
I75 over I75 Rl / Hotchkiss Creek	1972	55,134	Good
I75 over I75 Ll / Hotchkiss Creek	1972	55,134	Good
I75 Rl over Nfa A051 Hotchkiss Vly R	1972	55,134	Good
I75 Ll over Nfa A051 Hotchkiss Vly R	1972	55,134	Good

Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.

All of Tennessee: Tennessee bridge conditions by county · every download on the data page.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.