N21 over Buffalo Creek Trib
GoodDawson County, Nebraska · 7N Lexington · Structure no. S021 03446
- Built
- 2021
- 4 years old
- Condition
- Good
- inspected November 2023
- Type
- Culvert
- Concrete
- Length
- 50 ft
- 4 main spans
- Daily traffic
- 1,015
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
N21 over Buffalo Creek Trib is a concrete culvert carrying N21 over Buffalo Creek Trib in Dawson County, Nebraska. It was built in 2021, so it is 4 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,015 vehicles a day, roughly 22% of them trucks, projected to reach 1,015 by 2038. The structure is 50 ft (15.2 m) long. If it were closed, the detour would be 31.1 mi (50 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N21 over Buffalo Creek Trib built?
It was built in 2021, making it 4 years old in 2025.
What condition is N21 over Buffalo Creek Trib 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 November 2023.
How much traffic does N21 over Buffalo Creek Trib carry?
About 1,015 vehicles per day (2018 count), of which roughly 22% are trucks.
How long is N21 over Buffalo Creek Trib?
The structure is 50 ft (15.2 m) long with a longest span of 12 ft (3.7 m).
Who owns N21 over Buffalo Creek Trib?
It is owned by the State Highway Agency.