N87 over Mirage Flats Canal
GoodSheridan County, Nebraska · 11S Hay Springs · Structure no. S087 03312
- Built
- 1976
- 49 years old
- Condition
- Good
- inspected May 2024
- Type
- Culvert
- Concrete
- Length
- 24 ft
- 3 main spans
- Daily traffic
- 1,120
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
N87 over Mirage Flats Canal is a concrete culvert carrying N87 over Mirage Flats Canal in Sheridan County, Nebraska. It was built in 1976, so it is 49 years old, older 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 1,120 vehicles a day, roughly 12% of them trucks, projected to reach 1,456 by 2038. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 80.8 mi (130 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N87 over Mirage Flats Canal built?
It was built in 1976, making it 49 years old in 2025.
What condition is N87 over Mirage Flats Canal 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 Mirage Flats Canal carry?
About 1,120 vehicles per day (2018 count), of which roughly 12% are trucks.
How long is N87 over Mirage Flats Canal?
The structure is 24 ft (7.3 m) long with a longest span of 7 ft (2.1 m).
Who owns N87 over Mirage Flats Canal?
It is owned by the State Highway Agency.