320th ST over Drainage
Fair Condition21 years old30 vehicles/day
Location
| State | Iowa |
| County | Buchanan |
| Location | 087093003 |
| Carries | 320th ST |
| Crosses | Drainage |
| Coordinates | 42.32651, -91.93839 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Other |
| Total Length | 67.9 ft (20.7 m) |
| Max Span | 65.9 ft (20.1 m) |
| Deck Width | 19.0 ft (5.8 m) |
| Deck Area | 120.1 sq m |
| Main Spans | 1 |
| Year Built | 2005 |
Traffic
| Avg Daily Traffic | 30 (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 | 000000000081450 |