Ia 1 over Drainage Ditch
Fair Condition77 years old19,000 vehicles/day
Location
| State | Iowa |
| County | Johnson |
| Location | 0.6 Mi. N Of Jct. US 218 |
| Carries | Ia 1 |
| Crosses | Drainage Ditch |
| Coordinates | 41.64009, -91.56032 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 7 (Good) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 52.2 ft (15.9 m) |
| Max Span | 18.0 ft (5.5 m) |
| Deck Area | 644.0 sq m |
| Main Spans | 3 |
| Year Built | 1949 (reconstructed 1981) |
Traffic
| Avg Daily Traffic | 19,000 (2022) |
| Truck Traffic | 4% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000031711 |