SH 9 Ml over Blue River
GoodSummit County, Colorado · SH 9 over Blue River · Structure no. F-12-CA
- Built
- 2008
- 17 years old
- Condition
- Good
- inspected April 2023
- Type
- Box Beam or Girders - Single or Spread
- Steel
- Length
- 111 ft
- 1 main span
- Daily traffic
- 20,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SH 9 Ml over Blue River is a steel box beam or girders - single or spread carrying SH 9 Ml over Blue River in Summit County, Colorado. It was built in 2008, so it is 17 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 20,000 vehicles a day, roughly 2% of them trucks, projected to reach 24,000 by 2040. The structure is 111 ft (33.9 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| 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 SH 9 Ml over Blue River built?
It was built in 2008, making it 17 years old in 2025.
What condition is SH 9 Ml over Blue River 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 April 2023.
How much traffic does SH 9 Ml over Blue River carry?
About 20,000 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is SH 9 Ml over Blue River?
The structure is 111 ft (33.9 m) long with a longest span of 109 ft (33.1 m) and a deck 39 ft wide.
Who owns SH 9 Ml over Blue River?
It is owned by the State Highway Agency.