N3400 over Sand Creek
FairPosted for loadLincoln County, Oklahoma · .9 E 1.9 N of Tryon · Structure no. 042560000000000
- Built
- 1935
- 90 years old
- Condition
- Fair
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 40 ft
- 1 main span
- Daily traffic
- 100
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
N3400 over Sand Creek is a steel stringer/multi-beam or girder carrying N3400 over Sand Creek in Lincoln County, Oklahoma. It was built in 1935, so it is 90 years old, older than the Oklahoma average of 47.8 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. Its operating status is: posted for load restriction.
It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 40 ft (12.2 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N3400 over Sand Creek built?
It was built in 1935, making it 90 years old in 2025.
What condition is N3400 over Sand 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 February 2024.
How much traffic does N3400 over Sand Creek carry?
About 100 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is N3400 over Sand Creek?
The structure is 40 ft (12.2 m) long with a longest span of 36 ft (11 m) and a deck 16 ft wide.
Who owns N3400 over Sand Creek?
It is owned by the County Highway Agency.