Tr 121a (200 N) over I-39/US 51
Fair Condition36 years old75 vehicles/day
Location
| State | Illinois |
| County | Marshall |
| Location | 5 Mi S Of Il 17 |
| Carries | Tr 121a (200 N) |
| Crosses | I-39/US 51 |
| Coordinates | 40.95504, -89.05637 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 8 (Very Good) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 228.0 ft (69.5 m) |
| Max Span | 165.7 ft (50.5 m) |
| Deck Width | 31.2 ft (9.5 m) |
| Deck Area | 660.2 sq m |
| Main Spans | 3 |
| Year Built | 1990 |
Traffic
| Avg Daily Traffic | 75 (2024) |
| Truck Traffic | 27% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 062005500000000 |