N14 (310th Ave) over Drainage Ditch
Poor Condition78 years old803 vehicles/day
Location
| State | Iowa |
| County | Dickinson |
| Location | 099350302 |
| Carries | N14 (310th Ave) |
| Crosses | Drainage Ditch |
| Coordinates | 43.42566, -94.97384 |
Condition Ratings
| Overall Condition | Poor |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 4 (Poor) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 21.0 ft (6.4 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Area | 66.6 sq m |
| Main Spans | 2 |
| Year Built | 1948 |
Traffic
| Avg Daily Traffic | 803 (2021) |
| Truck Traffic | 17% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000023760 |