SH 131 Ml over UP RR
PoorRoutt County, Colorado · 2 MI S of Oak Creek · Structure no. C-09-Q
- Built
- 1935
- 90 years old, rebuilt 1977
- Condition
- Poor
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 145 ft
- 3 main spans
- Daily traffic
- 2,200
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SH 131 Ml over UP RR is a steel stringer/multi-beam or girder carrying SH 131 Ml over UP RR in Routt County, Colorado. It was built in 1935 and reconstructed in 1977, so it is 90 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 2,200 vehicles a day, roughly 6% of them trucks, projected to reach 2,574 by 2040. The structure is 145 ft (44.1 m) long and 36 ft wide. If it were closed, the detour would be 14.9 mi (24 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 131 Ml over UP RR built?
It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1977.
What condition is SH 131 Ml over UP RR 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 October 2024.
How much traffic does SH 131 Ml over UP RR carry?
About 2,200 vehicles per day (2020 count), of which roughly 6% are trucks.
How long is SH 131 Ml over UP RR?
The structure is 145 ft (44.1 m) long with a longest span of 46 ft (14 m) and a deck 36 ft wide.
Who owns SH 131 Ml over UP RR?
It is owned by the State Highway Agency.