Fas 321 Ch 4 over Iroquois River
Good Condition51 years old425 vehicles/day
Location
| State | Illinois |
| County | Iroquois |
| Location | 3 Mi E Of Ill 45 |
| Carries | Fas 321 Ch 4 |
| Crosses | Iroquois River |
| Coordinates | 40.93194, -87.81313 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 371.7 ft (113.3 m) |
| Max Span | 91.9 ft (28 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 1110.3 sq m |
| Main Spans | 4 |
| Year Built | 1975 (reconstructed 2010) |
Traffic
| Avg Daily Traffic | 425 (2022) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 038017800000000 |