N3660 over Bird Creek
Good Condition25 years old100 vehicles/day
Location
| State | Oklahoma |
| County | Seminole |
| Location | 7.4s Of Wewoka |
| Carries | N3660 |
| Crosses | Bird Creek |
| Coordinates | 35.05216, -96.49417 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 94.2 ft (28.7 m) |
| Max Span | 91.9 ft (28 m) |
| Deck Width | 27.2 ft (8.3 m) |
| Deck Area | 238.2 sq m |
| Main Spans | 1 |
| Year Built | 2001 |
Traffic
| Avg Daily Traffic | 100 (2022) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 259250000000000 |