N3940 over Birch Creek
GoodAtoka County, Oklahoma · 1N 1.5E of Wardville · Structure no. 295250000000000
- Built
- 2011
- 14 years old
- Condition
- Good
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 93 ft
- 1 main span
- Daily traffic
- 25
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
N3940 over Birch Creek is a prestressed concrete stringer/multi-beam or girder carrying N3940 over Birch Creek in Atoka County, Oklahoma. It was built in 2011, so it is 14 years old, younger than the Oklahoma average of 47.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 25 vehicles a day, roughly 10% of them trucks, projected to reach 40 by 2042. The structure is 93 ft (28.4 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 9 Excellent | No problems noted. |
| Superstructure | 9 Excellent | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N3940 over Birch Creek built?
It was built in 2011, making it 14 years old in 2025.
What condition is N3940 over Birch 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 February 2024.
How much traffic does N3940 over Birch Creek carry?
About 25 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is N3940 over Birch Creek?
The structure is 93 ft (28.4 m) long with a longest span of 90 ft (27.4 m) and a deck 28 ft wide.
Who owns N3940 over Birch Creek?
It is owned by the County Highway Agency.