Zilles Rd/ Tr 392 over Trib To Spanker Br
Poor Condition101 years old150 vehicles/day
Location
| State | Illinois |
| County | Madison |
| Location | 4.5mi SE Highland |
| Carries | Zilles Rd/ Tr 392 |
| Crosses | Trib To Spanker Br |
| Coordinates | 38.69329, -89.60997 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 4 (Poor) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 22.0 ft (6.7 m) |
| Max Span | 21.0 ft (6.4 m) |
| Deck Width | 20.0 ft (6.1 m) |
| Deck Area | 40.9 sq m |
| Main Spans | 1 |
| Year Built | 1925 |
Traffic
| Avg Daily Traffic | 150 (2021) |
| Truck Traffic | 14% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 060320700000000 |