Tr 477 over W Frk Cahokia CR
Good Condition17 years old125 vehicles/day
Location
| State | Illinois |
| County | Macoupin |
| Location | 3 M S Wilsonville |
| Carries | Tr 477 |
| Crosses | W Frk Cahokia CR |
| Coordinates | 39.02032, -89.86151 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (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 | 196.5 ft (59.9 m) |
| Max Span | 65.0 ft (19.8 m) |
| Deck Width | 26.9 ft (8.2 m) |
| Deck Area | 491.2 sq m |
| Main Spans | 3 |
| Year Built | 2009 |
Traffic
| Avg Daily Traffic | 125 (2021) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 123 |
| Inspection Frequency | Every 48 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 059301100000000 |