N12 over Morman Canal
GoodKnox County, Nebraska · 2W Niobrara · Structure no. S012 15983
- Built
- 2020
- 5 years old
- Condition
- Good
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 1,202 ft
- 8 main spans
- Daily traffic
- 1,035
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
N12 over Morman Canal is a prestressed concrete continuous stringer/multi-beam or girder carrying N12 over Morman Canal in Knox County, Nebraska. It was built in 2020, so it is 5 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 1,035 vehicles a day, roughly 8% of them trucks, projected to reach 1,346 by 2038. The structure is 1,202 ft (366.5 m) long and 43 ft wide. If it were closed, the detour would be 341.8 mi (550 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N12 over Morman Canal built?
It was built in 2020, making it 5 years old in 2025.
What condition is N12 over Morman 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 October 2024.
How much traffic does N12 over Morman Canal carry?
About 1,035 vehicles per day (2018 count), of which roughly 8% are trucks.
How long is N12 over Morman Canal?
The structure is 1,202 ft (366.5 m) long with a longest span of 150 ft (45.7 m) and a deck 43 ft wide.
Who owns N12 over Morman Canal?
It is owned by the State Highway Agency.