N7 over Niobrara River
GoodRock County, Nebraska · Ejct US20/N7 12.1N · Structure no. S007 07323
- Built
- 1982
- 43 years old
- Condition
- Good
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 520 ft
- 5 main spans
- Daily traffic
- 395
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
N7 over Niobrara River is a steel continuous stringer/multi-beam or girder carrying N7 over Niobrara River in Rock County, Nebraska. It was built in 1982, so it is 43 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 395 vehicles a day, roughly 14% of them trucks, projected to reach 514 by 2038. The structure is 520 ft (158.5 m) long and 31 ft wide. If it were closed, the detour would be 211.3 mi (340 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 | 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 N7 over Niobrara River built?
It was built in 1982, making it 43 years old in 2025.
What condition is N7 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 March 2023.
How much traffic does N7 over Niobrara River carry?
About 395 vehicles per day (2018 count), of which roughly 14% are trucks.
How long is N7 over Niobrara River?
The structure is 520 ft (158.5 m) long with a longest span of 114 ft (34.7 m) and a deck 31 ft wide.
Who owns N7 over Niobrara River?
It is owned by the State Highway Agency.