US 285 Ml over N Fk South Platte Rvr
FairPark County, Colorado · 8.8 MI N.E. Kenosha Pass · Structure no. G-14-R
- Built
- 1989
- 36 years old
- Condition
- Fair
- inspected August 2021
- Type
- Slab
- Concrete
- Length
- 52 ft
- 1 main span
- Daily traffic
- 5,900
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
US 285 Ml over N Fk South Platte Rvr is a concrete slab carrying US 285 Ml over N Fk South Platte Rvr in Park County, Colorado. It was built in 1989, so it is 36 years old, younger 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 5,900 vehicles a day, roughly 10% of them trucks, projected to reach 8,850 by 2040. The structure is 52 ft (15.8 m) long and 135 ft wide. If it were closed, the detour would be 123.7 mi (199 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. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 285 Ml over N Fk South Platte Rvr built?
It was built in 1989, making it 36 years old in 2025.
What condition is US 285 Ml over N Fk South Platte Rvr 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 2021.
How much traffic does US 285 Ml over N Fk South Platte Rvr carry?
About 5,900 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is US 285 Ml over N Fk South Platte Rvr?
The structure is 52 ft (15.8 m) long with a longest span of 48 ft (14.6 m) and a deck 135 ft wide.
Who owns US 285 Ml over N Fk South Platte Rvr?
It is owned by the State Highway Agency.