I 25SB Rmp C470 WB over Rmp to I25 Sbnd Rtd
FairDouglas County, Colorado · SB Onramp N.Of C470 · Structure no. F-17-IE
- Built
- 1983
- 42 years old, rebuilt 1991
- Condition
- Fair
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 172 ft
- 3 main spans
- Daily traffic
- 47,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
I 25SB Rmp C470 WB over Rmp to I25 Sbnd Rtd is a prestressed concrete continuous stringer/multi-beam or girder carrying I 25SB Rmp C470 WB over Rmp to I25 Sbnd Rtd in Douglas County, Colorado. It was built in 1983 and reconstructed in 1991, so it is 42 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 47,000 vehicles a day, roughly 2% of them trucks, projected to reach 63,450 by 2040. The structure is 172 ft (52.4 m) long and 72 ft wide. If it were closed, the detour would be 1.9 mi (3 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 I 25SB Rmp C470 WB over Rmp to I25 Sbnd Rtd built?
It was built in 1983, making it 42 years old in 2025. It was reconstructed in 1991.
What condition is I 25SB Rmp C470 WB over Rmp to I25 Sbnd Rtd 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 2023.
How much traffic does I 25SB Rmp C470 WB over Rmp to I25 Sbnd Rtd carry?
About 47,000 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is I 25SB Rmp C470 WB over Rmp to I25 Sbnd Rtd?
The structure is 172 ft (52.4 m) long with a longest span of 65 ft (19.8 m) and a deck 72 ft wide.
Who owns I 25SB Rmp C470 WB over Rmp to I25 Sbnd Rtd?
It is owned by the State Highway Agency.