Tr 320 over Crooked Leg Creek
Fair Condition26 years old175 vehicles/day
Location
| State | Illinois |
| County | LaSalle |
| Location | E 18th At N3605 |
| Carries | Tr 320 |
| Crosses | Crooked Leg Creek |
| Coordinates | 41.45747, -88.81477 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 70.9 ft (21.6 m) |
| Max Span | 68.2 ft (20.8 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 157.7 sq m |
| Main Spans | 1 |
| Year Built | 2000 |
Traffic
| Avg Daily Traffic | 175 (2020) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 050356400000000 |