SH 131 Ml over Chimney Rock Creek
PoorRoutt County, Colorado · 1.5 Miles South of Yampa · Structure no. D-09-Z
- Built
- 1938
- 87 years old
- Condition
- Poor
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 57 ft
- 3 main spans
- Daily traffic
- 860
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SH 131 Ml over Chimney Rock Creek is a wood or timber stringer/multi-beam or girder carrying SH 131 Ml over Chimney Rock Creek in Routt County, Colorado. It was built in 1938, so it is 87 years old, older than the Colorado average of 42.2 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 860 vehicles a day, roughly 7% of them trucks, projected to reach 972 by 2040. The structure is 57 ft (17.5 m) long and 31 ft wide. If it were closed, the detour would be 123.7 mi (199 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, 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 131 Ml over Chimney Rock Creek built?
It was built in 1938, making it 87 years old in 2025.
What condition is SH 131 Ml over Chimney Rock Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.
How much traffic does SH 131 Ml over Chimney Rock Creek carry?
About 860 vehicles per day (2020 count), of which roughly 7% are trucks.
How long is SH 131 Ml over Chimney Rock Creek?
The structure is 57 ft (17.5 m) long with a longest span of 18 ft (5.6 m) and a deck 31 ft wide.
Who owns SH 131 Ml over Chimney Rock Creek?
It is owned by the State Highway Agency.