Tr-179 over Trib Big Creek
Good Condition43 years old225 vehicles/day
Location
| State | Illinois |
| County | Richland |
| Location | 2 Mi N Calhoon |
| Carries | Tr-179 |
| Crosses | Trib Big Creek |
| Coordinates | 38.68794, -88.04358 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (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 | 29.9 ft (9.1 m) |
| Max Span | 28.9 ft (8.8 m) |
| Deck Width | 24.3 ft (7.4 m) |
| Deck Area | 67.3 sq m |
| Main Spans | 1 |
| Year Built | 1983 |
Traffic
| Avg Daily Traffic | 225 (2022) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 123 |
| Inspection Frequency | Every 48 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 080314300000000 |