US 40 Ml over I 70 Ml
FairJefferson County, Colorado · 8.1 MI E of JCT US 6 · Structure no. F-15-CE
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 252 ft
- 2 main spans
- Daily traffic
- 480
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
US 40 Ml over I 70 Ml is a steel continuous stringer/multi-beam or girder carrying US 40 Ml over I 70 Ml in Jefferson County, Colorado. It was built in 1973, so it is 52 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 480 vehicles a day, roughly 3% of them trucks, projected to reach 706 by 2040. The structure is 252 ft (76.8 m) long and 43 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 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 I 70 Ml built?
It was built in 1973, making it 52 years old in 2025.
What condition is US 40 Ml over I 70 Ml 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 August 2023.
How much traffic does US 40 Ml over I 70 Ml carry?
About 480 vehicles per day (2020 count), of which roughly 3% are trucks.
How long is US 40 Ml over I 70 Ml?
The structure is 252 ft (76.8 m) long with a longest span of 131 ft (40 m) and a deck 43 ft wide.
Who owns US 40 Ml over I 70 Ml?
It is owned by the State Highway Agency.