FM over Dm River
Fair Condition65 years old559 vehicles/day
Location
| State | Iowa |
| County | Humboldt |
| Location | 091281904 |
| Carries | FM |
| Crosses | Dm River |
| Coordinates | 42.67431, -94.20726 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 251.0 ft (76.5 m) |
| Max Span | 68.9 ft (21 m) |
| Deck Width | 28.5 ft (8.7 m) |
| Deck Area | 665.5 sq m |
| Main Spans | 4 |
| Year Built | 1961 |
Traffic
| Avg Daily Traffic | 559 (2022) |
| Truck Traffic | 13% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000184310 |