N40 over Cottonwood Creek
FairCuster County, Nebraska · 11NW Oconto · Structure no. S040 02787
- Built
- 1962
- 63 years old
- Condition
- Fair
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 51 ft
- 1 main span
- Daily traffic
- 430
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
N40 over Cottonwood Creek is a steel stringer/multi-beam or girder carrying N40 over Cottonwood Creek in Custer County, Nebraska. It was built in 1962, 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 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 430 vehicles a day, roughly 10% of them trucks, projected to reach 559 by 2038. The structure is 51 ft (15.5 m) long and 38 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N40 over Cottonwood Creek built?
It was built in 1962, making it 63 years old in 2025.
What condition is N40 over Cottonwood Creek 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 November 2024.
How much traffic does N40 over Cottonwood Creek carry?
About 430 vehicles per day (2018 count), of which roughly 10% are trucks.
How long is N40 over Cottonwood Creek?
The structure is 51 ft (15.5 m) long with a longest span of 50 ft (15.2 m) and a deck 38 ft wide.
Who owns N40 over Cottonwood Creek?
It is owned by the State Highway Agency.