Tr 108 over Rock CR
Good Condition5 years old125 vehicles/day
Location
| State | Illinois |
| County | Menard |
| Location | 3.0 Mi SW Athens |
| Carries | Tr 108 |
| Crosses | Rock CR |
| Coordinates | 39.94224, -89.78389 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 74.8 ft (22.8 m) |
| Max Span | 71.9 ft (21.9 m) |
| Deck Width | 27.9 ft (8.5 m) |
| Deck Area | 193.8 sq m |
| Main Spans | 1 |
| Year Built | 2021 |
Traffic
| Avg Daily Traffic | 125 (2020) |
| Truck Traffic | 3% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 48 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 065308700000000 |