N23 over Big Blue River N Br
GoodPerkins County, Nebraska · 5W Grant · Structure no. S023 01328
- Built
- 1952
- 73 years old, rebuilt 1997
- Condition
- Good
- inspected April 2024
- Type
- Culvert
- Concrete
- Length
- 22 ft
- 2 main spans
- Daily traffic
- 1,120
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
N23 over Big Blue River N Br is a concrete culvert carrying N23 over Big Blue River N Br in Perkins County, Nebraska. It was built in 1952 and reconstructed in 1997, so it is 73 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 15% of them trucks, projected to reach 1,512 by 2038. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 37.3 mi (60 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 N23 over Big Blue River N Br built?
It was built in 1952, making it 73 years old in 2025. It was reconstructed in 1997.
What condition is N23 over Big Blue River N Br 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 April 2024.
How much traffic does N23 over Big Blue River N Br carry?
About 1,120 vehicles per day (2018 count), of which roughly 15% are trucks.
How long is N23 over Big Blue River N Br?
The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).
Who owns N23 over Big Blue River N Br?
It is owned by the State Highway Agency.