SH 470 Ramp over US 6 Ml
FairJefferson County, Colorado · Near Golden · Structure no. F-16-TY
- Built
- 1999
- 26 years old
- Condition
- Fair
- inspected February 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 502 ft
- 3 main spans
- Daily traffic
- 25,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SH 470 Ramp over US 6 Ml is a prestressed concrete continuous box beam or girders - multiple carrying SH 470 Ramp over US 6 Ml in Jefferson County, Colorado. It was built in 1999, so it is 26 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 25,000 vehicles a day, roughly 6% of them trucks, projected to reach 44,000 by 2040. The structure is 502 ft (153.1 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 470 Ramp over US 6 Ml built?
It was built in 1999, making it 26 years old in 2025.
What condition is SH 470 Ramp over US 6 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 February 2024.
How much traffic does SH 470 Ramp over US 6 Ml carry?
About 25,000 vehicles per day (2020 count), of which roughly 6% are trucks.
How long is SH 470 Ramp over US 6 Ml?
The structure is 502 ft (153.1 m) long with a longest span of 181 ft (55.2 m) and a deck 44 ft wide.
Who owns SH 470 Ramp over US 6 Ml?
It is owned by the State Highway Agency.