Ch 18 over Nassa Creek
Fair Condition43 years old275 vehicles/day
Location
| State | Illinois |
| County | Macoupin |
| Location | 0.5 Mi SE Hettick |
| Carries | Ch 18 |
| Crosses | Nassa Creek |
| Coordinates | 39.34707, -90.02978 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 151.9 ft (46.3 m) |
| Max Span | 49.9 ft (15.2 m) |
| Deck Width | 28.5 ft (8.7 m) |
| Deck Area | 402.8 sq m |
| Main Spans | 3 |
| Year Built | 1983 |
Traffic
| Avg Daily Traffic | 275 (2021) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 059328700000000 |