380th over Rock
Good Condition56 years old177 vehicles/day
Location
| State | Iowa |
| County | Mitchell |
| Location | 098181601 |
| Carries | 380th |
| Crosses | Rock |
| Coordinates | 43.31343, -92.98209 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 75.1 ft (22.9 m) |
| Max Span | 28.9 ft (8.8 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 208.4 sq m |
| Main Spans | 3 |
| Year Built | 1970 |
Traffic
| Avg Daily Traffic | 177 (2022) |
| Truck Traffic | 13% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000248130 |