US 34 Ml over Devils Gulch
PoorLarimer County, Colorado · E Edge of Estes Park · Structure no. C-15-M
- Built
- 1937
- 88 years old
- Condition
- Poor
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 43 ft
- 1 main span
- Daily traffic
- 6,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
US 34 Ml over Devils Gulch is a steel stringer/multi-beam or girder carrying US 34 Ml over Devils Gulch in Larimer County, Colorado. It was built in 1937, so it is 88 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 6,000 vehicles a day, roughly 3% of them trucks, projected to reach 7,680 by 2040. The structure is 43 ft (13.2 m) long and 43 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 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 34 Ml over Devils Gulch built?
It was built in 1937, making it 88 years old in 2025.
What condition is US 34 Ml over Devils Gulch 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 September 2023.
How much traffic does US 34 Ml over Devils Gulch carry?
About 6,000 vehicles per day (2020 count), of which roughly 3% are trucks.
How long is US 34 Ml over Devils Gulch?
The structure is 43 ft (13.2 m) long with a longest span of 40 ft (12.2 m) and a deck 43 ft wide.
Who owns US 34 Ml over Devils Gulch?
It is owned by the State Highway Agency.