Ill RT 78 over Hammond Br Plum Riv.
Fair Condition44 years old700 vehicles/day
Location
| State | Illinois |
| County | Jo Daviess |
| Location | 4.3 Mi S Of US 20 |
| Carries | Ill RT 78 |
| Crosses | Hammond Br Plum Riv. |
| Coordinates | 42.29790, -90.01098 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 111.2 ft (33.9 m) |
| Max Span | 61.4 ft (18.7 m) |
| Deck Width | 35.1 ft (10.7 m) |
| Deck Area | 362.7 sq m |
| Main Spans | 2 |
| Year Built | 1982 |
Traffic
| Avg Daily Traffic | 700 (2023) |
| Truck Traffic | 14% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 043003900000000 |