Ch 18 over Otter Creek
Good Condition71 years old275 vehicles/day
Location
| State | Illinois |
| County | Macoupin |
| Location | 1 Mi. E. Hettick |
| Carries | Ch 18 |
| Crosses | Otter Creek |
| Coordinates | 39.34716, -90.01488 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 170.9 ft (52.1 m) |
| Max Span | 43.0 ft (13.1 m) |
| Deck Width | 30.2 ft (9.2 m) |
| Deck Area | 479.3 sq m |
| Main Spans | 4 |
| Year Built | 1955 (reconstructed 2001) |
Traffic
| Avg Daily Traffic | 275 (2021) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 059302100000000 |