US 40 Ml over Highline Canal
FairArapahoe County, Colorado · 2.4 MI E of I225 · Structure no. F-17-AN
- Built
- 1954
- 71 years old, rebuilt 1988
- Condition
- Fair
- inspected November 2023
- Type
- Culvert
- Concrete
- Length
- 21 ft
- 1 main span
- Daily traffic
- 22,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
US 40 Ml over Highline Canal is a concrete culvert carrying US 40 Ml over Highline Canal in Arapahoe County, Colorado. It was built in 1954 and reconstructed in 1988, so it is 71 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 6 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 22,000 vehicles a day, roughly 2% of them trucks, projected to reach 25,300 by 2040. The structure is 21 ft (6.5 m) long and 156 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 40 Ml over Highline Canal built?
It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1988.
What condition is US 40 Ml over Highline Canal 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 November 2023.
How much traffic does US 40 Ml over Highline Canal carry?
About 22,000 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is US 40 Ml over Highline Canal?
The structure is 21 ft (6.5 m) long with a longest span of 21 ft (6.5 m) and a deck 156 ft wide.
Who owns US 40 Ml over Highline Canal?
It is owned by the State Highway Agency.