N4030 over Blackjack Creek Trib.
Fair Condition58 years old3,099 vehicles/day
Location
| State | Oklahoma |
| County | Tulsa |
| Location | 129 E AVE .7mi S 156 ST N |
| Carries | N4030 |
| Crosses | Blackjack Creek Trib. |
| Coordinates | 36.37065, -95.83019 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 29.9 ft (9.1 m) |
| Max Span | 25.9 ft (7.9 m) |
| Deck Width | 34.4 ft (10.5 m) |
| Deck Area | 95.5 sq m |
| Main Spans | 1 |
| Year Built | 1968 |
Traffic
| Avg Daily Traffic | 3,099 (2024) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 170580000000000 |