F63 310th RD over Middle River
Good Condition5 years old150 vehicles/day
Location
| State | Iowa |
| County | Guthrie |
| Location | 078321701 |
| Carries | F63 310th RD |
| Crosses | Middle River |
| Coordinates | 41.56155, -94.55856 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 152.9 ft (46.6 m) |
| Max Span | 59.1 ft (18 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 470.7 sq m |
| Main Spans | 3 |
| Year Built | 2021 |
Traffic
| Avg Daily Traffic | 150 (2022) |
| Truck Traffic | 15% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000167111 |