SH 86 Ml over Mitchell Gulch
GoodDouglas County, Colorado · 1 MI W of Franktown · Structure no. G-17-CE
- Built
- 2002
- 23 years old
- Condition
- Good
- inspected December 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 40 ft
- 1 main span
- Daily traffic
- 10,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SH 86 Ml over Mitchell Gulch is a prestressed concrete box beam or girders - multiple carrying SH 86 Ml over Mitchell Gulch in Douglas County, Colorado. It was built in 2002, so it is 23 years old, younger than the Colorado average of 42.2 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 10,000 vehicles a day, roughly 3% of them trucks, projected to reach 11,400 by 2040. The structure is 40 ft (12.1 m) long and 43 ft wide. If it were closed, the detour would be 8.7 mi (14 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 86 Ml over Mitchell Gulch built?
It was built in 2002, making it 23 years old in 2025.
What condition is SH 86 Ml over Mitchell Gulch in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.
How much traffic does SH 86 Ml over Mitchell Gulch carry?
About 10,000 vehicles per day (2020 count), of which roughly 3% are trucks.
How long is SH 86 Ml over Mitchell Gulch?
The structure is 40 ft (12.1 m) long with a longest span of 37 ft (11.4 m) and a deck 43 ft wide.
Who owns SH 86 Ml over Mitchell Gulch?
It is owned by the State Highway Agency.