Ia 25 over Summit Lake
Fair Condition50 years old1,950 vehicles/day
Location
| State | Iowa |
| County | Union |
| Location | 2.6 Mi. N Of N Jct. US 34 |
| Carries | Ia 25 |
| Crosses | Summit Lake |
| Coordinates | 41.07122, -94.39233 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 146.0 ft (44.5 m) |
| Max Span | 57.1 ft (17.4 m) |
| Deck Width | 47.6 ft (14.5 m) |
| Deck Area | 645.2 sq m |
| Main Spans | 3 |
| Year Built | 1976 |
Traffic
| Avg Daily Traffic | 1,950 (2022) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000050171 |