Sumac Road over Middle Silver Creek
Fair Condition47 years old50 vehicles/day
Location
| State | Iowa |
| County | Pottawattamie |
| Location | 077403101 |
| Carries | Sumac Road |
| Crosses | Middle Silver Creek |
| Coordinates | 41.43342, -95.48836 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 70.9 ft (21.6 m) |
| Max Span | 23.0 ft (7 m) |
| Deck Width | 21.0 ft (6.4 m) |
| Deck Area | 138.2 sq m |
| Main Spans | 3 |
| Year Built | 1979 (reconstructed 1990) |
Traffic
| Avg Daily Traffic | 50 (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 | 000000000289991 |