170th St. over Drainage
Fair Condition39 years old21 vehicles/day
Location
| State | Iowa |
| County | Clinton |
| Location | 082e10901 |
| Carries | 170th St. |
| Crosses | Drainage |
| Coordinates | 41.93147, -90.85458 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 25.9 ft (7.9 m) |
| Max Span | 24.0 ft (7.3 m) |
| Deck Width | 20.0 ft (6.1 m) |
| Deck Area | 48.2 sq m |
| Main Spans | 1 |
| Year Built | 1987 |
Traffic
| Avg Daily Traffic | 21 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000122871 |