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Bridge conditions in Austin County, Texas

218 inventoried bridges · 4 rated poor · 2025 National Bridge Inventory

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

The federal inventory lists 218 bridges in Austin County: 143 rated good, 71 fair, and 4 poor.

4 of the 218 bridges in Austin County, Texas, are rated in poor condition (1.8%) in the 2025 National Bridge Inventory, as of August 20, 2026.
143 bridges (65.6%) are rated good and 71 (32.6%) fair.
The median Austin County bridge was built in 2005.
The busiest poor-rated bridge is Mixville Rd over Allens Creek (built 1983), carrying about 121 vehicles a day.

Good 65.6% · Fair 32.6% · Poor 1.8% of 218 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
Mixville Rd over Allens Creek	1983	121	Poor
Mill Creek Rd over Mill Creek	1983	81	Poor
Mill Creek Rd over Sandy Creek	2003	58	Poor
Frantz Rd over San Bernard River	2005	50	Poor

Busiest bridges in the county

Bridge	Built	Vehicles/day	Condition
Ih 10 over Draw	2020	65,213	Good
Ih 10 over Draw	2020	65,213	Good
Ih 10 over Chew/bartlett Rd	2021	65,213	Good
Ih 10 over FM 1458	2021	56,725	Good
Mlcak Rd over Ih 10	2022	56,083	Good
Ih 10 over US 90	2021	52,333	Good
Ih 10 over Crooked Branch	2021	46,316	Good
Ih 10 over Little Bernard Creek	2021	46,316	Good
Ih 10 over Draw	2021	46,316	Good
Ih 10 Wbfr over San Bernard River	2022	45,021	Good

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.