I-280 over Lake Overflow
Fair Condition54 years old24,200 vehicles/day
Location
| State | Iowa |
| County | Scott |
| Location | 1.1 Mi. W Of Jct. US 61 |
| Carries | I-280 |
| Crosses | Lake Overflow |
| Coordinates | 41.52453, -90.67415 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 38.1 ft (11.6 m) |
| Max Span | 12.1 ft (3.7 m) |
| Deck Area | 141.5 sq m |
| Main Spans | 3 |
| Year Built | 1972 |
Traffic
| Avg Daily Traffic | 24,200 (2022) |
| Truck Traffic | 31% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000600630 |