New Douglas RD over Silver Creek
Poor Condition35 years old1,400 vehicles/day
Location
| State | Illinois |
| County | Madison |
| Location | 1.7 Mi E. I-55 |
| Carries | New Douglas RD |
| Crosses | Silver Creek |
| Coordinates | 38.96842, -89.72066 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 4 (Poor) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 126.3 ft (38.5 m) |
| Max Span | 56.1 ft (17.1 m) |
| Deck Width | 27.9 ft (8.5 m) |
| Deck Area | 327.2 sq m |
| Main Spans | 3 |
| Year Built | 1991 |
Traffic
| Avg Daily Traffic | 1,400 (2021) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 12 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 060025700000000 |