Troy Mills RD over Wapsipinicon River
Poor Condition75 years old2,033 vehicles/day
Location
| State | Iowa |
| County | Linn |
| Location | 086070522 |
| Carries | Troy Mills RD |
| Crosses | Wapsipinicon River |
| Coordinates | 42.28764, -91.68253 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 4 (Poor) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 448.2 ft (136.6 m) |
| Max Span | 125.0 ft (38.1 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 1338.7 sq m |
| Main Spans | 4 |
| Year Built | 1951 (reconstructed 1991) |
Traffic
| Avg Daily Traffic | 2,033 (2022) |
| Truck Traffic | 13% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000223180 |