Il 255 NB over Cahokia Diversion
Good Condition31 years old28,300 vehicles/day
Location
| State | Illinois |
| County | Madison |
| Location | S. Corp Lmts Roxanna |
| Carries | Il 255 NB |
| Crosses | Cahokia Diversion |
| Coordinates | 38.80338, -90.04366 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 444.9 ft (135.6 m) |
| Max Span | 118.4 ft (36.1 m) |
| Deck Width | 43.0 ft (13.1 m) |
| Deck Area | 1776.4 sq m |
| Main Spans | 4 |
| Year Built | 1995 |
Traffic
| Avg Daily Traffic | 28,300 (2023) |
| Truck Traffic | 12% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 060027800000000 |