Tr 331 over Unnamed Trib
Good Condition33 years old50 vehicles/day
Location
| State | Illinois |
| County | Iroquois |
| Location | 1m N 1.5m W Cissna |
| Carries | Tr 331 |
| Crosses | Unnamed Trib |
| Coordinates | 40.58650, -87.92943 |
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 | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 52.5 ft (16 m) |
| Max Span | 51.2 ft (15.6 m) |
| Deck Width | 26.9 ft (8.2 m) |
| Deck Area | 131.2 sq m |
| Main Spans | 1 |
| Year Built | 1993 |
Traffic
| Avg Daily Traffic | 50 (2022) |
| Truck Traffic | 20% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 722 |
| Inspection Frequency | Every 48 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 038305800000000 |