Tr-105 Crosby RD over Rock Creek
Fair Condition25 years old650 vehicles/day
Location
| State | Illinois |
| County | Whiteside |
| Location | .5m NW Morrison |
| Carries | Tr-105 Crosby RD |
| Crosses | Rock Creek |
| Coordinates | 41.81860, -89.96811 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 140.1 ft (42.7 m) |
| Max Span | 87.3 ft (26.6 m) |
| Deck Width | 31.8 ft (9.7 m) |
| Deck Area | 414.2 sq m |
| Main Spans | 2 |
| Year Built | 2001 |
Traffic
| Avg Daily Traffic | 650 (2021) |
| Truck Traffic | 23% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 098506100000000 |