S.h. 99 over Birch Creek
Good Condition5 years old550 vehicles/day
Location
| State | Oklahoma |
| County | Osage |
| Location | 2.7 N Jct S.h. 10 |
| Carries | S.h. 99 |
| Crosses | Birch Creek |
| Coordinates | 36.90583, -96.20389 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 47.9 ft (14.6 m) |
| Max Span | 16.1 ft (4.9 m) |
| Deck Area | 184.0 sq m |
| Main Spans | 3 |
| Year Built | 2021 |
Traffic
| Avg Daily Traffic | 550 (2022) |
| Truck Traffic | 14% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 312370000000000 |