170th ST over Drainage Ditch 36
Fair Condition57 years old34 vehicles/day
Location
| State | Iowa |
| County | Story |
| Location | 084221201 |
| Carries | 170th ST |
| Crosses | Drainage Ditch 36 |
| Coordinates | 42.10671, -93.35091 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Channel Beam |
| Total Length | 26.9 ft (8.2 m) |
| Max Span | 24.0 ft (7.3 m) |
| Deck Width | 26.9 ft (8.2 m) |
| Deck Area | 67.2 sq m |
| Main Spans | 1 |
| Year Built | 1969 (reconstructed 1974) |
Traffic
| Avg Daily Traffic | 34 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2022 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000315130 |