320th ST over W Br Perry Creek
Good Condition25 years old60 vehicles/day
Location
| State | Iowa |
| County | Plymouth |
| Location | 090472803 |
| Carries | 320th ST |
| Crosses | W Br Perry Creek |
| Coordinates | 42.59096, -96.40294 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 153.9 ft (46.9 m) |
| Max Span | 57.1 ft (17.4 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 473.7 sq m |
| Main Spans | 3 |
| Year Built | 2001 |
Traffic
| Avg Daily Traffic | 60 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000271931 |