Tr-257 over Grindstone Creek
Fair Condition35 years old20 vehicles/day
Location
| State | Illinois |
| County | White |
| Location | 1.5 Mi SE Brownsvill |
| Carries | Tr-257 |
| Crosses | Grindstone Creek |
| Coordinates | 38.02831, -88.22827 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 51.8 ft (15.8 m) |
| Max Span | 48.6 ft (14.8 m) |
| Deck Width | 24.3 ft (7.4 m) |
| Deck Area | 116.9 sq m |
| Main Spans | 1 |
| Year Built | 1991 |
Traffic
| Avg Daily Traffic | 20 (2024) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 097321000000000 |