I 57 SB over Cypress Creek
Good Condition67 years old5,950 vehicles/day
Location
| State | Illinois |
| County | Union |
| Location | 0.7 Mi S Ill 146 |
| Carries | I 57 SB |
| Crosses | Cypress Creek |
| Coordinates | 37.43926, -89.14920 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 209.6 ft (63.9 m) |
| Max Span | 81.0 ft (24.7 m) |
| Deck Width | 38.7 ft (11.8 m) |
| Deck Area | 754.0 sq m |
| Main Spans | 3 |
| Year Built | 1959 (reconstructed 2002) |
Traffic
| Avg Daily Traffic | 5,950 (2024) |
| Truck Traffic | 55% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 091000800000000 |