US 36 Ml over Canyon Creek
FairBoulder County, Colorado · In Boulder · Structure no. E-15-AC
- Built
- 1951
- 74 years old
- Condition
- Fair
- inspected July 2023
- Type
- Culvert
- Concrete
- Length
- 33 ft
- 2 main spans
- Daily traffic
- 45,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
US 36 Ml over Canyon Creek is a concrete culvert carrying US 36 Ml over Canyon Creek in Boulder County, Colorado. It was built in 1951, so it is 74 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 45,000 vehicles a day, roughly 3% of them trucks, projected to reach 53,100 by 2040. The structure is 33 ft (10.2 m) long and 94 ft wide. If it were closed, the detour would be 0.6 mi (1 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 |
|---|---|---|
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 36 Ml over Canyon Creek built?
It was built in 1951, making it 74 years old in 2025.
What condition is US 36 Ml over Canyon Creek 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 2023.
How much traffic does US 36 Ml over Canyon Creek carry?
About 45,000 vehicles per day (2020 count), of which roughly 3% are trucks.
How long is US 36 Ml over Canyon Creek?
The structure is 33 ft (10.2 m) long with a longest span of 16 ft (4.9 m) and a deck 94 ft wide.
Who owns US 36 Ml over Canyon Creek?
It is owned by the State Highway Agency.