Richmond Hill Road over US 285 Ml
GoodJefferson County, Colorado · Near Conifer · Structure no. G-15-I
- Built
- 2008
- 17 years old
- Condition
- Good
- inspected August 2023
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete Continuous
- Length
- 220 ft
- 3 main spans
- Daily traffic
- 1,456
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Richmond Hill Road over US 285 Ml is a prestressed concrete continuous box beam or girders - single or spread carrying Richmond Hill Road over US 285 Ml in Jefferson County, Colorado. It was built in 2008, so it is 17 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 1,456 vehicles a day, roughly 1% of them trucks, projected to reach 1,674 by 2044. The structure is 220 ft (67.1 m) long and 37 ft wide. If it were closed, the detour would be 0.6 mi (1 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Richmond Hill Road over US 285 Ml built?
It was built in 2008, making it 17 years old in 2025.
What condition is Richmond Hill Road over US 285 Ml 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 August 2023.
How much traffic does Richmond Hill Road over US 285 Ml carry?
About 1,456 vehicles per day (2024 count), of which roughly 1% are trucks.
How long is Richmond Hill Road over US 285 Ml?
The structure is 220 ft (67.1 m) long with a longest span of 123 ft (37.5 m) and a deck 37 ft wide.
Who owns Richmond Hill Road over US 285 Ml?
It is owned by the State Highway Agency.