I-55 SB over Vermillion River
Fair Condition51 years old10,900 vehicles/day
Location
| State | Illinois |
| County | Livingston |
| Location | 1.5 M N Of Il 116 |
| Carries | I-55 SB |
| Crosses | Vermillion River |
| Coordinates | 40.89431, -88.67141 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 403.9 ft (123.1 m) |
| Max Span | 109.9 ft (33.5 m) |
| Deck Width | 42.0 ft (12.8 m) |
| Deck Area | 1575.7 sq m |
| Main Spans | 4 |
| Year Built | 1975 |
Traffic
| Avg Daily Traffic | 10,900 (2023) |
| Truck Traffic | 36% |
| Lanes On Bridge | 2 |
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 | 053012800000000 |