So Main ST over Cascade Landing
Poor Condition130 years old743 vehicles/day
Location
| State | Iowa |
| County | Des Moines |
| Location | 000000000 |
| Carries | So Main ST |
| Crosses | Cascade Landing |
| Coordinates | 40.78111, -91.09861 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 7 (Good) |
| Superstructure | 2 (Critical) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 9 — Foundation above flood level |
Physical Characteristics
| Material | Steel |
| Design | Truss - Deck |
| Total Length | 463.9 ft (141.4 m) |
| Max Span | 160.1 ft (48.8 m) |
| Deck Width | 40.0 ft (12.2 m) |
| Deck Area | 1725.1 sq m |
| Main Spans | 4 |
| Year Built | 1896 (reconstructed 1960) |
Traffic
| Avg Daily Traffic | 743 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 808 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is on the National Register of Historic Places |
| Structure Number | 000000000000900 |