N47 over Thirty Mile Canal
GoodDawson County, Nebraska · 5S Gothenburg · Structure no. S047 05814
- Built
- 2012
- 13 years old
- Condition
- Good
- inspected November 2021
- Type
- Culvert
- Concrete
- Length
- 30 ft
- 3 main spans
- Daily traffic
- 1,485
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
N47 over Thirty Mile Canal is a concrete culvert carrying N47 over Thirty Mile Canal in Dawson County, Nebraska. It was built in 2012, so it is 13 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 1,485 vehicles a day, roughly 10% of them trucks, projected to reach 2,079 by 2038. The structure is 30 ft (9.1 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 | 9 Excellent | No problems noted. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N47 over Thirty Mile Canal built?
It was built in 2012, making it 13 years old in 2025.
What condition is N47 over Thirty Mile 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 November 2021.
How much traffic does N47 over Thirty Mile Canal carry?
About 1,485 vehicles per day (2018 count), of which roughly 10% are trucks.
How long is N47 over Thirty Mile Canal?
The structure is 30 ft (9.1 m) long with a longest span of 9 ft (2.7 m).
Who owns N47 over Thirty Mile Canal?
It is owned by the State Highway Agency.