400th over Shellrock River
Good Condition68 years old47 vehicles/day
Location
| State | Iowa |
| County | Worth |
| Location | 098200103 |
| Carries | 400th |
| Crosses | Shellrock River |
| Coordinates | 43.34236, -93.15931 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 182.1 ft (55.5 m) |
| Max Span | 68.9 ft (21 m) |
| Deck Width | 28.2 ft (8.6 m) |
| Deck Area | 477.3 sq m |
| Main Spans | 3 |
| Year Built | 1958 |
Traffic
| Avg Daily Traffic | 47 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000355580 |