Ill RT 78 over Muddy Plum River
Fair Condition44 years old600 vehicles/day
Location
| State | Illinois |
| County | Jo Daviess |
| Location | 2.5 Mi N Carroll Co. |
| Carries | Ill RT 78 |
| Crosses | Muddy Plum River |
| Coordinates | 42.22716, -90.02768 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 7 — Countermeasures installed |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 132.9 ft (40.5 m) |
| Max Span | 43.0 ft (13.1 m) |
| Deck Width | 36.1 ft (11 m) |
| Deck Area | 445.5 sq m |
| Main Spans | 3 |
| Year Built | 1982 |
Traffic
| Avg Daily Traffic | 600 (2023) |
| Truck Traffic | 13% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 043004100000000 |