E-470 EB over Cottonwood Ck & Jamaica
GoodDouglas County, Colorado · 0.47 MI from I 25 · Structure no. E-470-0.47A
- Built
- 1990
- 35 years old
- Condition
- Good
- inspected August 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 326 ft
- 2 main spans
- Daily traffic
- 25,045
- 2018 count
- Owner
- Toll Authority
- Local Toll Authority
About this bridge
E-470 EB over Cottonwood Ck & Jamaica is a prestressed concrete continuous box beam or girders - multiple carrying E-470 EB over Cottonwood Ck & Jamaica in Douglas County, Colorado. It was built in 1990, so it is 35 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 25,045 vehicles a day, roughly 6% of them trucks, projected to reach 42,580 by 2038. The structure is 326 ft (99.5 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 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 E-470 EB over Cottonwood Ck & Jamaica built?
It was built in 1990, making it 35 years old in 2025.
What condition is E-470 EB over Cottonwood Ck & Jamaica 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 2024.
How much traffic does E-470 EB over Cottonwood Ck & Jamaica carry?
About 25,045 vehicles per day (2018 count), of which roughly 6% are trucks.
How long is E-470 EB over Cottonwood Ck & Jamaica?
The structure is 326 ft (99.5 m) long with a longest span of 162 ft (49.3 m) and a deck 70 ft wide.
Who owns E-470 EB over Cottonwood Ck & Jamaica?
It is owned by the Local Toll Authority.