270th ST over Sm Stream
Poor Condition106 years old11 vehicles/day
Location
| State | Iowa |
| County | Clayton |
| Location | 093053405 |
| Carries | 270th ST |
| Crosses | Sm Stream |
| Coordinates | 42.83389, -91.41188 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 4 (Poor) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 29.9 ft (9.1 m) |
| Max Span | 26.9 ft (8.2 m) |
| Deck Width | 16.1 ft (4.9 m) |
| Deck Area | 44.6 sq m |
| Main Spans | 1 |
| Year Built | 1920 |
Traffic
| Avg Daily Traffic | 11 (2022) |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000120000 |