N3220 over Birds Nest Creek
Fair Condition88 years old50 vehicles/day
Location
| State | Oklahoma |
| County | Kay |
| Location | 4.5e 6.6s Of I-35/US60 |
| Carries | N3220 |
| Crosses | Birds Nest Creek |
| Coordinates | 36.60042, -97.26498 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Box Beam - Multiple |
| Total Length | 42.7 ft (13 m) |
| Max Span | 40.0 ft (12.2 m) |
| Deck Width | 20.0 ft (6.1 m) |
| Deck Area | 79.3 sq m |
| Main Spans | 1 |
| Year Built | 1938 (reconstructed 1970) |
Traffic
| Avg Daily Traffic | 50 (2022) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 123 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 177750000000000 |