US 36 Ml over Lone Tree Gulch
FairAdams County, Colorado · 11.3 MI E of Byers · Structure no. F-20-O
- Built
- 1937
- 88 years old
- Condition
- Fair
- inspected March 2025
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 69 ft
- 3 main spans
- Daily traffic
- 790
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
US 36 Ml over Lone Tree Gulch is a wood or timber stringer/multi-beam or girder carrying US 36 Ml over Lone Tree Gulch in Adams 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 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 790 vehicles a day, roughly 42% of them trucks, projected to reach 980 by 2040. The structure is 69 ft (21.1 m) long and 31 ft wide. If it were closed, the detour would be 21.7 mi (35 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 | 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 36 Ml over Lone Tree Gulch built?
It was built in 1937, making it 88 years old in 2025.
What condition is US 36 Ml over Lone Tree Gulch 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 March 2025.
How much traffic does US 36 Ml over Lone Tree Gulch carry?
About 790 vehicles per day (2020 count), of which roughly 42% are trucks.
How long is US 36 Ml over Lone Tree Gulch?
The structure is 69 ft (21.1 m) long with a longest span of 23 ft (6.9 m) and a deck 31 ft wide.
Who owns US 36 Ml over Lone Tree Gulch?
It is owned by the State Highway Agency.