US 18 over Drainage Ditch
Fair Condition68 years old4,530 vehicles/day
Location
| State | Iowa |
| County | O'Brien |
| Location | 0.1 Mi. W Of W Jct SR L40 |
| Carries | US 18 |
| Crosses | Drainage Ditch |
| Coordinates | 43.18615, -95.74441 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 25.9 ft (7.9 m) |
| Max Span | 12.1 ft (3.7 m) |
| Deck Area | 105.9 sq m |
| Main Spans | 2 |
| Year Built | 1958 (reconstructed 1987) |
Traffic
| Avg Daily Traffic | 4,530 (2022) |
| Truck Traffic | 17% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000038220 |