I 57 SB & US 51 SB over Cache River
Fair Condition62 years old6,300 vehicles/day
Location
| State | Illinois |
| County | Pulaski |
| Location | 3.8 Mi S Union Co |
| Carries | I 57 SB & US 51 SB |
| Crosses | Cache River |
| Coordinates | 37.27932, -89.15712 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 181.8 ft (55.4 m) |
| Max Span | 40.4 ft (12.3 m) |
| Deck Width | 43.6 ft (13.3 m) |
| Deck Area | 736.8 sq m |
| Main Spans | 5 |
| Year Built | 1964 |
Traffic
| Avg Daily Traffic | 6,300 (2024) |
| Truck Traffic | 53% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 223 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 077000500000000 |