US 550 Ml over Mineral Creek
GoodSan Juan County, Colorado · Silverton · Structure no. M-06-L
- Built
- 2011
- 14 years old
- Condition
- Good
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 113 ft
- 1 main span
- Daily traffic
- 1,900
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
US 550 Ml over Mineral Creek is a steel stringer/multi-beam or girder carrying US 550 Ml over Mineral Creek in San Juan County, Colorado. It was built in 2011, so it is 14 years old, younger than the Colorado average of 42.2 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,900 vehicles a day, roughly 11% of them trucks, projected to reach 1,938 by 2040. The structure is 113 ft (34.4 m) long and 43 ft wide. If it were closed, the detour would be 123.7 mi (199 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 550 Ml over Mineral Creek built?
It was built in 2011, making it 14 years old in 2025.
What condition is US 550 Ml over Mineral Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.
How much traffic does US 550 Ml over Mineral Creek carry?
About 1,900 vehicles per day (2020 count), of which roughly 11% are trucks.
How long is US 550 Ml over Mineral Creek?
The structure is 113 ft (34.4 m) long with a longest span of 110 ft (33.4 m) and a deck 43 ft wide.
Who owns US 550 Ml over Mineral Creek?
It is owned by the State Highway Agency.