N3990 over Creek
Poor Condition86 years old140 vehicles/day
Location
| State | Oklahoma |
| County | Tulsa |
| Location | Sheridan .9 S. 166 ST N |
| Carries | N3990 |
| Crosses | Creek |
| Coordinates | 36.38206, -95.90218 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 3 (Serious) |
| Superstructure | 5 (Fair) |
| Substructure | 3 (Serious) |
| Channel/Waterway | 4 (Poor) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 23.0 ft (7 m) |
| Max Span | 23.0 ft (7 m) |
| Deck Width | 16.1 ft (4.9 m) |
| Deck Area | 34.3 sq m |
| Main Spans | 1 |
| Year Built | 1940 |
Traffic
| Avg Daily Traffic | 140 (2024) |
| Truck Traffic | 10% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 073990000000000 |