US 40 Ml over Agricultural Ditch
FairJefferson County, Colorado · Between Quail & Simms St. · Structure no. F-16-AR
- Built
- 1937
- 88 years old, rebuilt 1957
- Condition
- Fair
- inspected June 2024
- Type
- Slab
- Concrete
- Length
- 23 ft
- 1 main span
- Daily traffic
- 23,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
US 40 Ml over Agricultural Ditch is a concrete slab carrying US 40 Ml over Agricultural Ditch in Jefferson County, Colorado. It was built in 1937 and reconstructed in 1957, 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 23,000 vehicles a day, roughly 3% of them trucks, projected to reach 24,380 by 2040. The structure is 23 ft (7 m) long and 93 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 |
|---|---|---|
| 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 40 Ml over Agricultural Ditch built?
It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1957.
What condition is US 40 Ml over Agricultural Ditch 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 June 2024.
How much traffic does US 40 Ml over Agricultural Ditch carry?
About 23,000 vehicles per day (2020 count), of which roughly 3% are trucks.
How long is US 40 Ml over Agricultural Ditch?
The structure is 23 ft (7 m) long with a longest span of 19 ft (5.9 m) and a deck 93 ft wide.
Who owns US 40 Ml over Agricultural Ditch?
It is owned by the State Highway Agency.