Twelfth ST over Iowa Br
Fair Condition66 years old1,000 vehicles/day
Location
| State | Missouri |
| County | Jasper |
| Location | S 11 T 27 N R 33 W |
| Carries | Twelfth ST |
| Crosses | Iowa Br |
| Coordinates | 37.07809, -94.50578 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 27.9 ft (8.5 m) |
| Max Span | 8.9 ft (2.7 m) |
| Deck Width | 36.1 ft (11 m) |
| Deck Area | 93.5 sq m |
| Main Spans | 3 |
| Year Built | 1960 |
Traffic
| Avg Daily Traffic | 1,000 (2025) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 225 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 19422 |