Derby AVE SW over Stream
Poor Condition72 years old60 vehicles/day
Location
| State | Iowa |
| County | Johnson |
| Location | 078083402 |
| Carries | Derby AVE SW |
| Crosses | Stream |
| Coordinates | 41.52106, -91.77143 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 5 (Fair) |
| Substructure | 3 (Serious) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 20.0 ft (6.1 m) |
| Max Span | 20.0 ft (6.1 m) |
| Deck Width | 20.0 ft (6.1 m) |
| Deck Area | 37.2 sq m |
| Main Spans | 1 |
| Year Built | 1954 |
Traffic
| Avg Daily Traffic | 60 (2021) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 6 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000203860 |