Miami Rd. over Loutsenhizer Canal
Montrose County, Colorado · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Miami Rd. over Loutsenhizer Canal in Montrose County, Colorado, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 2006, making it 19 years old at the 2025 inventory.
- It carries about 797 vehicles a day (traffic count year 2022).
- Its listed owner is a city or municipal highway agency.
- It is one of 72 of the 117 inventoried bridges in Montrose County rated fair (61.5%); 3 (2.6%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated November 2023, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (38.48172, -107.85147)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Aluminum or iron culvert |
| Length | about 20 ft |
| Location | .30 Mi E. of Hillcrest Dr |
| NBI structure number | MONTROSE-4 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | November 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Colorado department of transportation.
Busiest bridges in Montrose 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 |
All bridges nearby: Montrose County, CO bridge conditions · every bridge in Montrose County · Colorado bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.