Latham-ralston RD over Rock River
Poor Condition57 years old8,200 vehicles/day
Location
| State | Illinois |
| County | Winnebago |
| Location | 1 Mi. E. Ill 2 |
| Carries | Latham-ralston RD |
| Crosses | Rock River |
| Coordinates | 42.36855, -89.05821 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 4 (Poor) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 601.0 ft (183.2 m) |
| Max Span | 119.1 ft (36.3 m) |
| Deck Width | 38.1 ft (11.6 m) |
| Deck Area | 2125.1 sq m |
| Main Spans | 5 |
| Year Built | 1969 |
Traffic
| Avg Daily Traffic | 8,200 (2022) |
| Truck Traffic | 11% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 101301700000000 |