County Road 55 over Iliff Platte Valley Ditc
GoodLogan County, Colorado · 1.4 MI N of US HWY 138 · Structure no. LOG55-48-147-A
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected December 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 26 ft
- 1 main span
- Daily traffic
- 126
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
County Road 55 over Iliff Platte Valley Ditc is a prestressed concrete tee beam carrying County Road 55 over Iliff Platte Valley Ditc in Logan County, Colorado. It was built in 1989, so it is 36 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 126 vehicles a day, roughly 57% of them trucks, projected to reach 155 by 2042. The structure is 26 ft (7.9 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was County Road 55 over Iliff Platte Valley Ditc built?
It was built in 1989, making it 36 years old in 2025.
What condition is County Road 55 over Iliff Platte Valley Ditc 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 County Road 55 over Iliff Platte Valley Ditc carry?
About 126 vehicles per day (2022 count), of which roughly 57% are trucks.
How long is County Road 55 over Iliff Platte Valley Ditc?
The structure is 26 ft (7.9 m) long with a longest span of 23 ft (7.1 m) and a deck 30 ft wide.
Who owns County Road 55 over Iliff Platte Valley Ditc?
It is owned by the County Highway Agency.