N4 over Little Blue River
FairNuckolls County, Nebraska · 12W Davenport · Structure no. S004 08599
- Built
- 1991
- 34 years old
- Condition
- Fair
- inspected July 2021
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 357 ft
- 5 main spans
- Daily traffic
- 425
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
N4 over Little Blue River is a prestressed concrete stringer/multi-beam or girder carrying N4 over Little Blue River in Nuckolls County, Nebraska. It was built in 1991, so it is 34 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 6 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 425 vehicles a day, roughly 18% of them trucks, projected to reach 616 by 2038. The structure is 357 ft (108.8 m) long and 38 ft wide. If it were closed, the detour would be 49.7 mi (80 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N4 over Little Blue River built?
It was built in 1991, making it 34 years old in 2025.
What condition is N4 over Little Blue River 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 July 2021.
How much traffic does N4 over Little Blue River carry?
About 425 vehicles per day (2018 count), of which roughly 18% are trucks.
How long is N4 over Little Blue River?
The structure is 357 ft (108.8 m) long with a longest span of 71 ft (21.6 m) and a deck 38 ft wide.
Who owns N4 over Little Blue River?
It is owned by the State Highway Agency.