305th ST over Troublesome Creek
Good Condition5 years old51 vehicles/day
Location
| State | Iowa |
| County | Audubon |
| Location | 078340707 |
| Carries | 305th ST |
| Crosses | Troublesome Creek |
| Coordinates | 41.56908, -94.80026 |
Condition Ratings
| Overall Condition | Good |
| Deck | 9 (Excellent) |
| Superstructure | 9 (Excellent) |
| Substructure | 9 (Excellent) |
| Channel/Waterway | 9 (Excellent) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 122.7 ft (37.4 m) |
| Max Span | 46.9 ft (14.3 m) |
| Deck Width | 27.2 ft (8.3 m) |
| Deck Area | 310.4 sq m |
| Main Spans | 3 |
| Year Built | 2021 |
Traffic
| Avg Daily Traffic | 51 (2022) |
| Truck Traffic | 18% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000066411 |