I70 Ml over Apex Gulch
FairJefferson County, Colorado · Just E of Colfax Exit · Structure no. F-16-BB
- Built
- 1968
- 57 years old
- Condition
- Fair
- inspected February 2024
- Type
- Culvert
- Concrete
- Length
- 44 ft
- 2 main spans
- Daily traffic
- 87,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
I70 Ml over Apex Gulch is a concrete culvert carrying I70 Ml over Apex Gulch in Jefferson County, Colorado. It was built in 1968, so it is 57 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 87,000 vehicles a day, roughly 8% of them trucks, projected to reach 106,140 by 2040. The structure is 44 ft (13.3 m) long and 310 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
| 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 I70 Ml over Apex Gulch built?
It was built in 1968, making it 57 years old in 2025.
What condition is I70 Ml over Apex 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 February 2024.
How much traffic does I70 Ml over Apex Gulch carry?
About 87,000 vehicles per day (2020 count), of which roughly 8% are trucks.
How long is I70 Ml over Apex Gulch?
The structure is 44 ft (13.3 m) long with a longest span of 21 ft (6.4 m) and a deck 310 ft wide.
Who owns I70 Ml over Apex Gulch?
It is owned by the State Highway Agency.