Il 255 - Fap 310 over Rock Creek
Good Condition16 years old13,600 vehicles/day
Location
| State | Illinois |
| County | Madison |
| Location | N Of Seminary RD |
| Carries | Il 255 - Fap 310 |
| Crosses | Rock Creek |
| Coordinates | 38.94809, -90.15083 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 36.1 ft (11 m) |
| Max Span | 11.5 ft (3.5 m) |
| Deck Area | 299.2 sq m |
| Main Spans | 3 |
| Year Built | 2010 |
Traffic
| Avg Daily Traffic | 13,600 (2023) |
| Truck Traffic | 14% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 060204300000000 |