Ill Route 173 over Beaver CR Tributary
Fair Condition52 years old4,550 vehicles/day
Location
| State | Illinois |
| County | Boone |
| Location | 1.5 Mi W Capron |
| Carries | Ill Route 173 |
| Crosses | Beaver CR Tributary |
| Coordinates | 42.38171, -88.76898 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 32.2 ft (9.8 m) |
| Max Span | 11.8 ft (3.6 m) |
| Deck Width | 40.0 ft (12.2 m) |
| Deck Area | 119.6 sq m |
| Main Spans | 3 |
| Year Built | 1974 |
Traffic
| Avg Daily Traffic | 4,550 (2023) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 004200200000000 |