316th over Rock Creek
Good Condition36 years old59 vehicles/day
Location
| State | Iowa |
| County | Mitchell |
| Location | 097171705 |
| Carries | 316th |
| Crosses | Rock Creek |
| Coordinates | 43.22364, -92.87607 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Culvert |
| Total Length | 20.0 ft (6.1 m) |
| Max Span | 20.0 ft (6.1 m) |
| Deck Area | 50.0 sq m |
| Main Spans | 1 |
| Year Built | 1990 (reconstructed 1999) |
Traffic
| Avg Daily Traffic | 59 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000247611 |