Ill RT 78 over Plum River
Good Condition4 years old700 vehicles/day
Location
| State | Illinois |
| County | Jo Daviess |
| Location | .15mi N Groeziner RD |
| Carries | Ill RT 78 |
| Crosses | Plum River |
| Coordinates | 42.27439, -90.03034 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 9 (Excellent) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 155.5 ft (47.4 m) |
| Max Span | 101.7 ft (31 m) |
| Deck Width | 34.8 ft (10.6 m) |
| Deck Area | 502.4 sq m |
| Main Spans | 2 |
| Year Built | 2022 |
Traffic
| Avg Daily Traffic | 700 (2023) |
| Truck Traffic | 14% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 043008100000000 |