IRR D3676 over Blackbird Creek
Poor Condition86 years old300 vehicles/day
Location
| State | Oklahoma |
| County | Osage |
| Location | 2s&.75w Of Jct. 99&20 |
| Carries | IRR D3676 |
| Crosses | Blackbird Creek |
| Coordinates | 36.39059, -96.40415 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 40.7 ft (12.4 m) |
| Max Span | 37.1 ft (11.3 m) |
| Deck Width | 25.6 ft (7.8 m) |
| Deck Area | 96.7 sq m |
| Main Spans | 1 |
| Year Built | 1940 |
Traffic
| Avg Daily Traffic | 300 (2022) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 089900000000000 |