Tr 59 over Plum Creek
Good Condition44 years old450 vehicles/day
Location
| State | Illinois |
| County | Washington |
| Location | 0.25 Mi E Okawville |
| Carries | Tr 59 |
| Crosses | Plum Creek |
| Coordinates | 38.42904, -89.53991 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| 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 | 86.9 ft (26.5 m) |
| Max Span | 35.1 ft (10.7 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 193.4 sq m |
| Main Spans | 3 |
| Year Built | 1982 |
Traffic
| Avg Daily Traffic | 450 (2024) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 48 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 095316000000000 |