Ill 97 over Rock Creek
Good Condition37 years old3,900 vehicles/day
Location
| State | Illinois |
| County | Menard |
| Location | 3.5m N Salisbury |
| Carries | Ill 97 |
| Crosses | Rock Creek |
| Coordinates | 39.91910, -89.84030 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 96.8 ft (29.5 m) |
| Max Span | 94.2 ft (28.7 m) |
| Deck Width | 35.1 ft (10.7 m) |
| Deck Area | 315.6 sq m |
| Main Spans | 1 |
| Year Built | 1989 |
Traffic
| Avg Daily Traffic | 3,900 (2023) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 223 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 065001700000000 |