Tr 66 over Kaskaskia River Trib
Good Condition41 years old100 vehicles/day
Location
| State | Illinois |
| County | Coles |
| Location | 4 Mi NW Humboldt |
| Carries | Tr 66 |
| Crosses | Kaskaskia River Trib |
| Coordinates | 39.64508, -88.35386 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 49.9 ft (15.2 m) |
| Max Span | 48.9 ft (14.9 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 111.0 sq m |
| Main Spans | 1 |
| Year Built | 1985 |
Traffic
| Avg Daily Traffic | 100 (2024) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 48 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 015325300000000 |