Dorchesterdr over Drainage Ditch
Fair Condition72 years old137 vehicles/day
Location
| State | Iowa |
| County | Allamakee |
| Location | 100062409 |
| Carries | Dorchesterdr |
| Crosses | Drainage Ditch |
| Coordinates | 43.47029, -91.50438 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 36.1 ft (11 m) |
| Max Span | 23.0 ft (7 m) |
| Deck Area | 100.1 sq m |
| Main Spans | 2 |
| Year Built | 1954 |
Traffic
| Avg Daily Traffic | 137 (2022) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000013720 |