320th over Rock Falls Creek
Good Condition18 years old51 vehicles/day
Location
| State | Iowa |
| County | Cerro Gordo |
| Location | 097191601 |
| Carries | 320th |
| Crosses | Rock Falls Creek |
| Coordinates | 43.22729, -93.08556 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 9 (Excellent) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 123.0 ft (37.5 m) |
| Max Span | 46.9 ft (14.3 m) |
| Deck Width | 24.6 ft (7.5 m) |
| Deck Area | 281.2 sq m |
| Main Spans | 3 |
| Year Built | 2008 |
Traffic
| Avg Daily Traffic | 51 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000106521 |