Tr-173 (scott Road over Big Rock Creek
Fair Condition66 years old175 vehicles/day
Location
| State | Illinois |
| County | Kane |
| Location | 2.0 Mi NW Big Rock |
| Carries | Tr-173 (scott Road |
| Crosses | Big Rock Creek |
| Coordinates | 41.77999, -88.58966 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 71.2 ft (21.7 m) |
| Max Span | 35.1 ft (10.7 m) |
| Deck Width | 28.2 ft (8.6 m) |
| Deck Area | 186.6 sq m |
| Main Spans | 2 |
| Year Built | 1960 |
Traffic
| Avg Daily Traffic | 175 (2023) |
| Truck Traffic | 11% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 045306700000000 |