County Line RD over Spring Creek
Good Condition10 years old100 vehicles/day
Location
| State | Illinois |
| County | Boone |
| Location | 2 Mi SE Garden Prair |
| Carries | County Line RD |
| Crosses | Spring Creek |
| Coordinates | 42.22383, -88.72269 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 73.5 ft (22.4 m) |
| Max Span | 70.9 ft (21.6 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 219.5 sq m |
| Main Spans | 1 |
| Year Built | 2016 |
Traffic
| Avg Daily Traffic | 100 (2018) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 322 |
| Inspection Frequency | Every 48 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 004309400000000 |