N87 over Niobrara River
GoodSheridan County, Nebraska · 14S Hay Springs · Structure no. S087 03059
- Built
- 1996
- 29 years old
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 183 ft
- 3 main spans
- Daily traffic
- 1,070
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
N87 over Niobrara River is a steel continuous stringer/multi-beam or girder carrying N87 over Niobrara River in Sheridan County, Nebraska. It was built in 1996, so it is 29 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 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 1,070 vehicles a day, roughly 10% of them trucks, projected to reach 1,391 by 2038. The structure is 183 ft (55.8 m) long and 38 ft wide. If it were closed, the detour would be 87 mi (140 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N87 over Niobrara River built?
It was built in 1996, making it 29 years old in 2025.
What condition is N87 over Niobrara 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 May 2024.
How much traffic does N87 over Niobrara River carry?
About 1,070 vehicles per day (2018 count), of which roughly 10% are trucks.
How long is N87 over Niobrara River?
The structure is 183 ft (55.8 m) long with a longest span of 70 ft (21.3 m) and a deck 38 ft wide.
Who owns N87 over Niobrara River?
It is owned by the State Highway Agency.