N3660 over Bird Creek
GoodSeminole County, Oklahoma · 7.4S of Wewoka · Structure no. 259250000000000
- Built
- 2001
- 24 years old
- Condition
- Good
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 94 ft
- 1 main span
- Daily traffic
- 100
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
N3660 over Bird Creek is a prestressed concrete stringer/multi-beam or girder carrying N3660 over Bird Creek in Seminole County, Oklahoma. It was built in 2001, so it is 24 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 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 94 ft (28.7 m) long and 27 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| 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 N3660 over Bird Creek built?
It was built in 2001, making it 24 years old in 2025.
What condition is N3660 over Bird 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 June 2023.
How much traffic does N3660 over Bird Creek carry?
About 100 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is N3660 over Bird Creek?
The structure is 94 ft (28.7 m) long with a longest span of 92 ft (28 m) and a deck 27 ft wide.
Who owns N3660 over Bird Creek?
It is owned by the County Highway Agency.