N11 over Niobrara River
GoodHolt County, Nebraska · Wjct N11/N12 5.1S · Structure no. S011 17645
- Built
- 1983
- 42 years old
- Condition
- Good
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 746 ft
- 7 main spans
- Daily traffic
- 390
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
N11 over Niobrara River is a steel continuous stringer/multi-beam or girder carrying N11 over Niobrara River in Holt County, Nebraska. It was built in 1983, so it is 42 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 390 vehicles a day, roughly 17% of them trucks, projected to reach 488 by 2038. The structure is 746 ft (227.4 m) long and 31 ft wide. If it were closed, the detour would be 372.8 mi (600 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N11 over Niobrara River built?
It was built in 1983, making it 42 years old in 2025.
What condition is N11 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 N11 over Niobrara River carry?
About 390 vehicles per day (2018 count), of which roughly 17% are trucks.
How long is N11 over Niobrara River?
The structure is 746 ft (227.4 m) long with a longest span of 126 ft (38.4 m) and a deck 31 ft wide.
Who owns N11 over Niobrara River?
It is owned by the State Highway Agency.