FM over Dm River
Good Condition16 years old620 vehicles/day
Location
| State | Iowa |
| County | Mahaska |
| Location | 074160504 |
| Carries | FM |
| Crosses | Dm River |
| Coordinates | 41.23578, -92.73676 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Girder and Floorbeam |
| Total Length | 1139.1 ft (347.2 m) |
| Max Span | 132.9 ft (40.5 m) |
| Deck Width | 32.8 ft (10 m) |
| Deck Area | 3,472 sq m |
| Main Spans | 9 |
| Year Built | 2010 |
Traffic
| Avg Daily Traffic | 620 (2022) |
| Truck Traffic | 16% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000235631 |