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Bridge conditions in Smith County, Texas

428 inventoried bridges · 3 rated poor · 2025 National Bridge Inventory

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

The federal inventory lists 428 bridges in Smith County: 207 rated good, 218 fair, and 3 poor.

3 of the 428 bridges in Smith County, Texas, are rated in poor condition (0.7%) in the 2025 National Bridge Inventory, as of August 20, 2026.
207 bridges (48.4%) are rated good and 218 (50.9%) fair.
The median Smith County bridge was built in 1984.
The busiest poor-rated bridge is SH 64 over Lake Tyler - E Mud Creek (built 1937), carrying about 7,260 vehicles a day.

Good 48.4% · Fair 50.9% · Poor 0.7% of 428 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
SH 64 over Lake Tyler - E Mud Creek	1937	7,260	Poor
CR 452 over Mill Creek	1985	380	Poor
CR 363 over Simpson Creek	2001	280	Poor

Busiest bridges in the county

Bridge	Built	Vehicles/day	Condition
US 69 over West Mud Creek	1956	46,059	Fair
Ih 20 over Rattlesnake Creek	1961	38,914	Fair
Sl 323 over W Mud CR Tr	1956	38,634	Fair
Ih 20 over Allen Branch Trib	1961	38,112	Fair
Ih 20 over Allen Branch	1961	38,112	Fair
Sl 323 over Indian Cr	1956	36,533	Fair
Ih 20 over Prairie Crk Trib	1962	35,901	Fair
Ih 20 over Hitts Creek	1964	33,407	Fair
Sl 323 over West Mud Creek	1957	33,347	Fair
Ih 20 Ml over Caney Creek	1966	32,997	Fair

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

All of Texas: Texas 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.