500th ST over Dog Creek
Good Condition17 years old10 vehicles/day
Location
| State | Iowa |
| County | O'Brien |
| Location | 0943934 |
| Carries | 500th ST |
| Crosses | Dog Creek |
| Coordinates | 42.92451, -95.43742 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 32.2 ft (9.8 m) |
| Max Span | 15.1 ft (4.6 m) |
| Deck Width | 25.9 ft (7.9 m) |
| Deck Area | 77.4 sq m |
| Main Spans | 2 |
| Year Built | 2009 |
Traffic
| Avg Daily Traffic | 10 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000258741 |