Blackthorn Drive over South Navy Ditch
Good Condition7 years old1,000 vehicles/day
Location
| State | Illinois |
| County | Cook |
| Location | 0.5 Mi N E Lake AVE |
| Carries | Blackthorn Drive |
| Crosses | South Navy Ditch |
| Coordinates | 42.08566, -87.80616 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 23.6 ft (7.2 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Area | 50.4 sq m |
| Main Spans | 2 |
| Year Built | 2019 |
Traffic
| Avg Daily Traffic | 1,000 (2021) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 322 |
| Inspection Frequency | Every 48 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 016705400000000 |