L51B Roscoe Cnlk over South Platte River
GoodKeith County, Nebraska · 1S Roscoe · Structure no. SL51B00074
- Built
- 1992
- 33 years old
- Condition
- Good
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 512 ft
- 8 main spans
- Daily traffic
- 565
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
L51B Roscoe Cnlk over South Platte River is a prestressed concrete stringer/multi-beam or girder carrying L51B Roscoe Cnlk over South Platte River in Keith County, Nebraska. It was built in 1992, so it is 33 years old, younger than the Nebraska average of 47.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 565 vehicles a day, roughly 10% of them trucks, projected to reach 650 by 2038. The structure is 512 ft (156.1 m) long and 38 ft wide. If it were closed, the detour would be 161.6 mi (260 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 | 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 L51B Roscoe Cnlk over South Platte River built?
It was built in 1992, making it 33 years old in 2025.
What condition is L51B Roscoe Cnlk over South 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 October 2023.
How much traffic does L51B Roscoe Cnlk over South Platte River carry?
About 565 vehicles per day (2018 count), of which roughly 10% are trucks.
How long is L51B Roscoe Cnlk over South Platte River?
The structure is 512 ft (156.1 m) long with a longest span of 64 ft (19.5 m) and a deck 38 ft wide.
Who owns L51B Roscoe Cnlk over South Platte River?
It is owned by the State Highway Agency.