Bridge conditions in Montrose County, Colorado
117 inventoried bridges · 3 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Montrose County tracks close to typical: 3 of its 117 inventoried bridges (2.6%) are rated poor, against a national rate of about 7%.
- 3 of the 117 bridges in Montrose County, Colorado, are rated in poor condition (2.6%) in the 2025 National Bridge Inventory, as of .
- 42 bridges (35.9%) are rated good and 72 (61.5%) fair.
- The median Montrose County bridge was built in 1985.
- The busiest poor-rated bridge is SH 348 Ml over Ironstone Canal (built 1963), carrying about 590 vehicles a day.
Good 35.9% · Fair 61.5% · Poor 2.6% 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 |
|---|---|---|---|
| SH 348 Ml over Ironstone Canal | 1963 | 590 | Poor |
| County Road 6500 over Montrose and Delta Canal | 1985 | 116 | Poor |
| Uncompahgre Road over South Canal | 1981 | 57 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 550 Ml over Cedar Wash | 1936 | 25,000 | Fair |
| US 50 Ml over Cedar Creek | 1958 | 14,000 | Fair |
| US 50 Ml over Loutzenheizer Wash | 1989 | 13,000 | Fair |
| US 550 Ml over Horsefly Creek | 1994 | 13,000 | Good |
| SH 90 Ml over Uncompahgre River | 1969 | 12,000 | Fair |
| US 550 Ml over Montrose+delta Canal | 1992 | 11,000 | Good |
| US 550 Ml Nbnd over Uncompahgre River | 1976 | 6,500 | Good |
| US 550 Ml Sbnd over Uncompagre River | 2002 | 6,500 | Good |
| Hillcrest Drive over Montrose Arroyo | 2006 | 5,233 | Good |
| US 50 Ml over Cedar Creek | 1959 | 5,000 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Colorado: Colorado 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.