N121 over N Fk Elkhorn River Trib
FairKnox County, Nebraska · 1S Wausa · Structure no. S121 04773
- Built
- 1984
- 41 years old
- Condition
- Fair
- inspected October 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 61 ft
- 2 main spans
- Daily traffic
- 1,040
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
N121 over N Fk Elkhorn River Trib is a prestressed concrete tee beam carrying N121 over N Fk Elkhorn River Trib in Knox County, Nebraska. It was built in 1984, so it is 41 years old, younger than the Nebraska average of 47.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 1,040 vehicles a day, roughly 9% of them trucks, projected to reach 1,456 by 2038. The structure is 61 ft (18.6 m) long and 36 ft wide. If it were closed, the detour would be 31.1 mi (50 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N121 over N Fk Elkhorn River Trib built?
It was built in 1984, making it 41 years old in 2025.
What condition is N121 over N Fk Elkhorn River Trib in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.
How much traffic does N121 over N Fk Elkhorn River Trib carry?
About 1,040 vehicles per day (2018 count), of which roughly 9% are trucks.
How long is N121 over N Fk Elkhorn River Trib?
The structure is 61 ft (18.6 m) long with a longest span of 30 ft (9.1 m) and a deck 36 ft wide.
Who owns N121 over N Fk Elkhorn River Trib?
It is owned by the State Highway Agency.