78th ST over Silver Creek
Good Condition13 years old30 vehicles/day
Location
| State | Iowa |
| County | Howard |
| Location | 099111103 |
| Carries | 78th ST |
| Crosses | Silver Creek |
| Coordinates | 43.40379, -92.11249 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 56.1 ft (17.1 m) |
| Max Span | 13.8 ft (4.2 m) |
| Deck Area | 135.1 sq m |
| Main Spans | 4 |
| Year Built | 2013 |
Traffic
| Avg Daily Traffic | 30 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 321 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000182831 |