Tr 166 over Swan Creek
Good Condition45 years old75 vehicles/day
Location
| State | Illinois |
| County | Warren |
| Location | Se-7-t8nr1w |
| Carries | Tr 166 |
| Crosses | Swan Creek |
| Coordinates | 40.69118, -90.54222 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 86.0 ft (26.2 m) |
| Max Span | 40.0 ft (12.2 m) |
| Deck Width | 24.3 ft (7.4 m) |
| Deck Area | 193.9 sq m |
| Main Spans | 3 |
| Year Built | 1981 |
Traffic
| Avg Daily Traffic | 75 (2016) |
| 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 | 094401500000000 |