US 550 Ml over Cedar Wash
FairMontrose County, Colorado · S. Side of Montrose · Structure no. K-05-N
- Built
- 1936
- 89 years old, rebuilt 1975
- Condition
- Fair
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 156 ft
- 3 main spans
- Daily traffic
- 25,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
US 550 Ml over Cedar Wash is a steel continuous stringer/multi-beam or girder carrying US 550 Ml over Cedar Wash in Montrose County, Colorado. It was built in 1936 and reconstructed in 1975, so it is 89 years old, older than the Colorado average of 42.2 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 25,000 vehicles a day, roughly 6% of them trucks, projected to reach 31,750 by 2040. The structure is 156 ft (47.7 m) long and 100 ft wide. If it were closed, the detour would be 0.6 mi (1 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 550 Ml over Cedar Wash built?
It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1975.
What condition is US 550 Ml over Cedar Wash in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.
How much traffic does US 550 Ml over Cedar Wash carry?
About 25,000 vehicles per day (2020 count), of which roughly 6% are trucks.
How long is US 550 Ml over Cedar Wash?
The structure is 156 ft (47.7 m) long with a longest span of 62 ft (18.9 m) and a deck 100 ft wide.
Who owns US 550 Ml over Cedar Wash?
It is owned by the State Highway Agency.