G61 310th ST over Three Mile Creek
Good Condition23 years old379 vehicles/day
Location
| State | Iowa |
| County | Adair |
| Location | 074301901 |
| Carries | G61 310th ST |
| Crosses | Three Mile Creek |
| Coordinates | 41.20075, -94.34618 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 36.1 ft (11 m) |
| Max Span | 12.1 ft (3.7 m) |
| Deck Area | 107.8 sq m |
| Main Spans | 3 |
| Year Built | 2003 |
Traffic
| Avg Daily Traffic | 379 (2022) |
| Truck Traffic | 20% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 000000000054661 |