Il 3 over Piasa Creek
Good Condition15 years old3,500 vehicles/day
Location
| State | Illinois |
| County | Madison |
| Location | 3.6 M S Jct 100-109 |
| Carries | Il 3 |
| Crosses | Piasa Creek |
| Coordinates | 38.95796, -90.27219 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 242.1 ft (73.8 m) |
| Max Span | 102.0 ft (31.1 m) |
| Deck Width | 43.3 ft (13.2 m) |
| Deck Area | 974.2 sq m |
| Main Spans | 3 |
| Year Built | 2011 |
Traffic
| Avg Daily Traffic | 3,500 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 060034300000000 |