Tr 178 over Langan CR
Good Condition54 years old100 vehicles/day
Location
| State | Illinois |
| County | Iroquois |
| Location | 3.32 Mi S Co Line |
| Carries | Tr 178 |
| Crosses | Langan CR |
| Coordinates | 40.95698, -87.84751 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 159.1 ft (48.5 m) |
| Max Span | 56.1 ft (17.1 m) |
| Deck Width | 25.9 ft (7.9 m) |
| Deck Area | 383.1 sq m |
| Main Spans | 3 |
| Year Built | 1972 |
Traffic
| Avg Daily Traffic | 100 (2022) |
| Truck Traffic | 43% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 038363900000000 |