US 34 over Twelve Mile Creek
Fair Condition55 years old4,890 vehicles/day
Location
| State | Iowa |
| County | Union |
| Location | 3.2 Mi. W Of W Jct US 169 |
| Carries | US 34 |
| Crosses | Twelve Mile Creek |
| Coordinates | 41.04837, -94.25169 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 170.9 ft (52.1 m) |
| Max Span | 68.9 ft (21 m) |
| Deck Width | 47.2 ft (14.4 m) |
| Deck Area | 750.2 sq m |
| Main Spans | 3 |
| Year Built | 1971 |
Traffic
| Avg Daily Traffic | 4,890 (2021) |
| Truck Traffic | 14% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000050040 |