N4 over Big Sandy Creek
GoodThayer County, Nebraska · 3E Davenport · Structure no. S004 10118
- Built
- 1962
- 63 years old, rebuilt 2001
- Condition
- Good
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 152 ft
- 3 main spans
- Daily traffic
- 600
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
N4 over Big Sandy Creek is a steel continuous stringer/multi-beam or girder carrying N4 over Big Sandy Creek in Thayer County, Nebraska. It was built in 1962 and reconstructed in 2001, so it is 63 years old, older 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 600 vehicles a day, roughly 18% of them trucks, projected to reach 840 by 2038. The structure is 152 ft (46.3 m) long and 42 ft wide. 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N4 over Big Sandy Creek built?
It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2001.
What condition is N4 over Big Sandy Creek 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 July 2023.
How much traffic does N4 over Big Sandy Creek carry?
About 600 vehicles per day (2018 count), of which roughly 18% are trucks.
How long is N4 over Big Sandy Creek?
The structure is 152 ft (46.3 m) long with a longest span of 60 ft (18.3 m) and a deck 42 ft wide.
Who owns N4 over Big Sandy Creek?
It is owned by the State Highway Agency.