Ferris Mill RD over Br Upper Iowa River
Good Condition9 years old70 vehicles/day
Location
| State | Iowa |
| County | Allamakee |
| Location | 099061904 |
| Carries | Ferris Mill RD |
| Crosses | Br Upper Iowa River |
| Coordinates | 43.37160, -91.60906 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 41.0 ft (12.5 m) |
| Max Span | 40.0 ft (12.2 m) |
| Deck Width | 25.6 ft (7.8 m) |
| Deck Area | 97.5 sq m |
| Main Spans | 1 |
| Year Built | 2017 |
Traffic
| Avg Daily Traffic | 70 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 422 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000062921 |