Il 163 over S Prairie Dupont Ck
Good Condition20 years old3,500 vehicles/day
Location
| State | Illinois |
| County | St. Clair |
| Location | 2mi N Of Milstadt |
| Carries | Il 163 |
| Crosses | S Prairie Dupont Ck |
| Coordinates | 38.49627, -90.09516 |
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 | Stringer/Multi-beam |
| Total Length | 103.0 ft (31.4 m) |
| Max Span | 103.0 ft (31.4 m) |
| Deck Width | 43.3 ft (13.2 m) |
| Deck Area | 414.5 sq m |
| Main Spans | 1 |
| Year Built | 2006 |
Traffic
| Avg Daily Traffic | 3,500 (2023) |
| Truck Traffic | 9% |
| 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 | 082030500000000 |