12th ST over Big Blue Rvr
Poor Condition66 years old1,192 vehicles/day
Location
| State | Missouri |
| County | Jackson |
| Location | S 6 T 49 N R 32 W |
| Carries | 12th ST |
| Crosses | Big Blue Rvr |
| Coordinates | 39.09652, -94.49034 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 4 (Poor) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 503.9 ft (153.6 m) |
| Max Span | 173.9 ft (53 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 1551.4 sq m |
| Main Spans | 3 |
| Year Built | 1960 |
Traffic
| Avg Daily Traffic | 1,192 (2024) |
| Truck Traffic | 16% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 25403 |