US 51 (fap 322) over N Fork Kaskaskia Riv
Good Condition16 years old2,750 vehicles/day
Location
| State | Illinois |
| County | Marion |
| Location | 1.5 Mi S Vernon |
| Carries | US 51 (fap 322) |
| Crosses | N Fork Kaskaskia Riv |
| Coordinates | 38.77394, -89.08655 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 225.4 ft (68.7 m) |
| Max Span | 87.6 ft (26.7 m) |
| Deck Width | 43.0 ft (13.1 m) |
| Deck Area | 900.0 sq m |
| Main Spans | 3 |
| Year Built | 2010 |
Traffic
| Avg Daily Traffic | 2,750 (2023) |
| Truck Traffic | 21% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 061009400000000 |