SH 131 Ml over Yampa River
FairRoutt County, Colorado · 0.5 MI S of Phippsburg · Structure no. D-09-F
- Built
- 1936
- 89 years old
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 123 ft
- 3 main spans
- Daily traffic
- 1,700
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SH 131 Ml over Yampa River is a steel continuous stringer/multi-beam or girder carrying SH 131 Ml over Yampa River in Routt County, Colorado. It was built in 1936, 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 1,700 vehicles a day, roughly 6% of them trucks, projected to reach 1,836 by 2040. The structure is 123 ft (37.5 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 SH 131 Ml over Yampa River built?
It was built in 1936, making it 89 years old in 2025.
What condition is SH 131 Ml over Yampa River 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 131 Ml over Yampa River carry?
About 1,700 vehicles per day (2020 count), of which roughly 6% are trucks.
How long is SH 131 Ml over Yampa River?
The structure is 123 ft (37.5 m) long with a longest span of 47 ft (14.3 m) and a deck 28 ft wide.
Who owns SH 131 Ml over Yampa River?
It is owned by the State Highway Agency.