SH 134 Ml over Big Rock Creek
FairGrand County, Colorado · 11.8 Miles East of Topona · Structure no. D-10-B
- Built
- 1955
- 70 years old
- Condition
- Fair
- inspected July 2024
- Type
- Tee Beam
- Concrete
- Length
- 63 ft
- 2 main spans
- Daily traffic
- 320
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SH 134 Ml over Big Rock Creek is a concrete tee beam carrying SH 134 Ml over Big Rock Creek in Grand County, Colorado. It was built in 1955, so it is 70 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 320 vehicles a day, roughly 7% of them trucks, projected to reach 394 by 2040. The structure is 63 ft (19.1 m) long and 28 ft wide. If it were closed, the detour would be 75.2 mi (121 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 134 Ml over Big Rock Creek built?
It was built in 1955, making it 70 years old in 2025.
What condition is SH 134 Ml over Big Rock Creek 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 July 2024.
How much traffic does SH 134 Ml over Big Rock Creek carry?
About 320 vehicles per day (2020 count), of which roughly 7% are trucks.
How long is SH 134 Ml over Big Rock Creek?
The structure is 63 ft (19.1 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.
Who owns SH 134 Ml over Big Rock Creek?
It is owned by the State Highway Agency.