X-28 over Roberts Creek
Fair Condition85 years old350 vehicles/day
Location
| State | Iowa |
| County | Clayton |
| Location | 070500525 |
| Carries | X-28 |
| Crosses | Roberts Creek |
| Coordinates | 42.93039, -91.38553 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Truss - Thru |
| Total Length | 89.9 ft (27.4 m) |
| Max Span | 89.9 ft (27.4 m) |
| Deck Width | 21.3 ft (6.5 m) |
| Deck Area | 178.1 sq m |
| Main Spans | 1 |
| Year Built | 1941 |
Traffic
| Avg Daily Traffic | 350 (2022) |
| Truck Traffic | 12% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2022 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000010200 |