US 30 over Natural Creek
Good Condition97 years old4,790 vehicles/day
Location
| State | Iowa |
| County | Harrison |
| Location | 0.4 Mi. E. Of S.r. L-34 |
| Carries | US 30 |
| Crosses | Natural Creek |
| Coordinates | 41.64353, -95.77251 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 40.0 ft (12.2 m) |
| Max Span | 40.0 ft (12.2 m) |
| Deck Area | 151.3 sq m |
| Main Spans | 1 |
| Year Built | 1929 |
Traffic
| Avg Daily Traffic | 4,790 (2022) |
| Truck Traffic | 23% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 000000000027440 |