E Big Rock RD over Virden Creek
Fair Condition77 years old29 vehicles/day
Location
| State | Iowa |
| County | Black Hawk |
| Location | 89-12-06-01-10 |
| Carries | E Big Rock RD |
| Crosses | Virden Creek |
| Coordinates | 42.55588, -92.31212 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 30.8 ft (9.4 m) |
| Max Span | 28.9 ft (8.8 m) |
| Deck Width | 23.6 ft (7.2 m) |
| Deck Area | 67.7 sq m |
| Main Spans | 1 |
| Year Built | 1949 (reconstructed 2003) |
Traffic
| Avg Daily Traffic | 29 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2022 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000075730 |