Tr 121 over Lake Fork
Good Condition48 years old50 vehicles/day
Location
| State | Illinois |
| County | Piatt |
| Location | 2.3 Mi SE Monticello |
| Carries | Tr 121 |
| Crosses | Lake Fork |
| Coordinates | 39.98133, -88.53120 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 65.9 ft (20.1 m) |
| Max Span | 21.0 ft (6.4 m) |
| Deck Width | 26.2 ft (8 m) |
| Deck Area | 160.8 sq m |
| Main Spans | 3 |
| Year Built | 1978 |
Traffic
| Avg Daily Traffic | 50 (2020) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2021 |
| Inspection Frequency | Every 48 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 074316700000000 |