Granart Road (ch 3 over Big Rock Creek
Good Condition21 years old6,250 vehicles/day
Location
| State | Illinois |
| County | Kane |
| Location | 1.0 Mi S Big Rock |
| Carries | Granart Road (ch 3 |
| Crosses | Big Rock Creek |
| Coordinates | 41.74367, -88.54096 |
Condition Ratings
| Overall Condition | Good |
| Deck | 9 (Excellent) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 143.4 ft (43.7 m) |
| Max Span | 46.6 ft (14.2 m) |
| Deck Width | 54.1 ft (16.5 m) |
| Deck Area | 721.0 sq m |
| Main Spans | 3 |
| Year Built | 2005 |
Traffic
| Avg Daily Traffic | 6,250 (2023) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 322 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 045315100000000 |