120th Ave Ebnd over S. Platte River
GoodAdams County, Colorado · 1.5 MI W of US85 · Structure no. ADA120-09.5E309
- Built
- 2005
- 20 years old
- Condition
- Good
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 702 ft
- 5 main spans
- Daily traffic
- 8,991
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
120th Ave Ebnd over S. Platte River is a prestressed concrete continuous stringer/multi-beam or girder carrying 120th Ave Ebnd over S. Platte River in Adams County, Colorado. It was built in 2005, so it is 20 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 8,991 vehicles a day, roughly 2% of them trucks, projected to reach 11,688 by 2041. The structure is 702 ft (214.1 m) long and 45 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 120th Ave Ebnd over S. Platte River built?
It was built in 2005, making it 20 years old in 2025.
What condition is 120th Ave Ebnd over S. Platte River 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 December 2023.
How much traffic does 120th Ave Ebnd over S. Platte River carry?
About 8,991 vehicles per day (2021 count), of which roughly 2% are trucks.
How long is 120th Ave Ebnd over S. Platte River?
The structure is 702 ft (214.1 m) long with a longest span of 146 ft (44.5 m) and a deck 45 ft wide.
Who owns 120th Ave Ebnd over S. Platte River?
It is owned by the County Highway Agency.