320th Street over Stream
Poor Condition50 years old20 vehicles/day
Location
| State | Iowa |
| County | Pottawattamie |
| Location | 076410904 |
| Carries | 320th Street |
| Crosses | Stream |
| Coordinates | 41.39795, -95.57506 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 4 (Poor) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 69.9 ft (21.3 m) |
| Max Span | 23.0 ft (7 m) |
| Deck Width | 19.0 ft (5.8 m) |
| Deck Area | 123.5 sq m |
| Main Spans | 3 |
| Year Built | 1976 |
Traffic
| Avg Daily Traffic | 20 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000288331 |