Ill 18 over Drainage Ditch
Good Condition27 years old3,050 vehicles/day
Location
| State | Illinois |
| County | LaSalle |
| Location | 3.03 Mi E Of Ill 89 |
| Carries | Ill 18 |
| Crosses | Drainage Ditch |
| Coordinates | 41.11869, -89.14379 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 25.6 ft (7.8 m) |
| Max Span | 11.8 ft (3.6 m) |
| Deck Area | 95.2 sq m |
| Main Spans | 2 |
| Year Built | 1999 |
Traffic
| Avg Daily Traffic | 3,050 (2023) |
| Truck Traffic | 16% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 221 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 050203300000000 |