Tr 186 over Otter Creek
Fair Condition37 years old20 vehicles/day
Location
| State | Illinois |
| County | Macoupin |
| Location | 4s .5 E Palmyra |
| Carries | Tr 186 |
| Crosses | Otter Creek |
| Coordinates | 39.36918, -89.98112 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 150.9 ft (46 m) |
| Max Span | 49.9 ft (15.2 m) |
| Deck Width | 28.2 ft (8.6 m) |
| Deck Area | 395.6 sq m |
| Main Spans | 3 |
| Year Built | 1989 |
Traffic
| Avg Daily Traffic | 20 (2021) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 059342000000000 |