Ia 1 NB over Ralston Creek
Good Condition7 years old2,850 vehicles/day
Location
| State | Iowa |
| County | Johnson |
| Location | 2.3 Mi. S. Of I-80 |
| Carries | Ia 1 NB |
| Crosses | Ralston Creek |
| Coordinates | 41.66161, -91.52282 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 9 (Excellent) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 44.9 ft (13.7 m) |
| Max Span | 42.0 ft (12.8 m) |
| Deck Width | 44.3 ft (13.5 m) |
| Deck Area | 184.9 sq m |
| Main Spans | 1 |
| Year Built | 2019 |
Traffic
| Avg Daily Traffic | 2,850 (2022) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000031762 |