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Bridge conditions in Grand County, Utah

121 inventoried bridges · 1 rated poor · 2025 National Bridge Inventory

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

1 of the 121 bridges the federal inventory lists in Grand County are rated poor; the rest split 22 good and 98 fair.

1 of the 121 bridges in Grand County, Utah, are rated in poor condition (0.8%) in the 2025 National Bridge Inventory, as of August 20, 2026.
22 bridges (18.2%) are rated good and 98 (81.0%) fair.
The median Grand County bridge was built in 1974.
The busiest poor-rated bridge is Windy Mesa Road over Nash Wash (built 1987), carrying about 7 vehicles a day.

Good 18.2% · Fair 81.0% · Poor 0.8% of 121 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
Windy Mesa Road over Nash Wash	1987	7	Poor

Busiest bridges in the county

Bridge	Built	Vehicles/day	Condition
US-191 (SR-191) over Mill Creek	1956	20,310	Fair
US-191 (SR-191) over Pack Creek	1955	20,310	Fair
US-191 (SR-191) over Lower Courthouse Wash	1991	14,182	Fair
US-191 over Moab Canyon Wash	2004	12,101	Fair
I-70 (SR-70) over Corral Wash	1960	11,872	Fair
I-70 (SR-70) over Crooked Wash	1960	11,872	Fair
I-70 (SR-70) over Crescent Wash	1959	11,872	Fair
I-70 (SR-70) Ebl over Sagers Wash	1974	11,127	Good
I-70 (SR-70) Ebl over Tumbleweed Wash	1974	11,127	Fair
I-70 (SR-70) Ebl over Pinto Wash	1974	11,127	Good

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

All of Utah: Utah 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.