30th AVE over I-380
Good Condition42 years old25 vehicles/day
Location
| State | Iowa |
| County | Benton |
| Location | 1.5 Miles N Of Jct Ia 150 |
| Carries | 30th AVE |
| Crosses | I-380 |
| Coordinates | 42.25974, -91.91029 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 399.0 ft (121.6 m) |
| Max Span | 127.0 ft (38.7 m) |
| Deck Width | 32.8 ft (10 m) |
| Deck Area | 1,216 sq m |
| Main Spans | 4 |
| Year Built | 1984 |
Traffic
| Avg Daily Traffic | 25 (2022) |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000605425 |