Bridge conditions in San Juan County, Utah
49 inventoried bridges · 0 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
None of the 49 inventoried bridges in San Juan County are rated in poor condition in the current federal inventory. 12 are rated good and 37 fair.
- 0 of the 49 bridges in San Juan County, Utah, are rated in poor condition (0.0%) in the 2025 National Bridge Inventory, as of .
- 12 bridges (24.5%) are rated good and 37 (75.5%) fair.
- The median San Juan County bridge was built in 1970.
Good 24.5% · Fair 75.5% · Poor 0.0% of 49 bridges
Bridges rated poor
No bridges in this county carry a poor rating in the current inventory.
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US-191 (SR-191) over Mormon Tank Wash | 1998 | 6,237 | Fair |
| US-191 (SR-191) over Kane Springs Wash | 1996 | 6,237 | Fair |
| US-191 (SR-191) over Big Mule Shoe Wash Tun. | 1940 | 6,237 | Good |
| US-191 (SR-191) over Coyote Wash | 2001 | 5,296 | Good |
| US-191 (SR-191) over Hatch Wash | 1956 | 4,080 | Fair |
| US-191 (SR-191) over Peters Wash | 1959 | 3,735 | Fair |
| US-491 over Vega Wash | 1955 | 3,551 | Fair |
| US-191 (SR-191) over Recapture Res. Spillway | 1985 | 3,309 | Fair |
| SR-163 over Unnamed Wash | 1957 | 2,683 | Good |
| SR-163 over Halgaitah Wash | 1957 | 2,683 | Fair |
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.