County Road 59 over Iliff Platte Valley Ditc
GoodLogan County, Colorado · 1.0 MI N of CO RD 48.5 · Structure no. LOG59-50.5-161A
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected December 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 37 ft
- 1 main span
- Daily traffic
- 30
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
County Road 59 over Iliff Platte Valley Ditc is a prestressed concrete tee beam carrying County Road 59 over Iliff Platte Valley Ditc in Logan County, Colorado. It was built in 1997, so it is 28 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 30 vehicles a day, roughly 41% of them trucks, projected to reach 37 by 2042. The structure is 37 ft (11.3 m) long and 34 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 | 8 Very Good | No problems noted. |
| 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 County Road 59 over Iliff Platte Valley Ditc built?
It was built in 1997, making it 28 years old in 2025.
What condition is County Road 59 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 59 over Iliff Platte Valley Ditc carry?
About 30 vehicles per day (2023 count), of which roughly 41% are trucks.
How long is County Road 59 over Iliff Platte Valley Ditc?
The structure is 37 ft (11.3 m) long with a longest span of 33 ft (10.1 m) and a deck 34 ft wide.
Who owns County Road 59 over Iliff Platte Valley Ditc?
It is owned by the County Highway Agency.