320th Street over Silver Creek
Good Condition10 years old20 vehicles/day
Location
| State | Iowa |
| County | Pottawattamie |
| Location | 075410902 |
| Carries | 320th Street |
| Crosses | Silver Creek |
| Coordinates | 41.31175, -95.57496 |
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 | Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 32.2 ft (9.8 m) |
| Max Span | 32.2 ft (9.8 m) |
| Deck Width | 256.9 ft (78.3 m) |
| Deck Area | 767.3 sq m |
| Main Spans | 1 |
| Year Built | 2016 |
Traffic
| Avg Daily Traffic | 20 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000286151 |