Tr 77a over N Fork Crooked Creek
Good Condition36 years old25 vehicles/day
Location
| State | Illinois |
| County | McDonough |
| Location | Nw-6-t6nr1w |
| Carries | Tr 77a |
| Crosses | N Fork Crooked Creek |
| Coordinates | 40.54279, -90.55973 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 61.7 ft (18.8 m) |
| Max Span | 59.1 ft (18 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 137.2 sq m |
| Main Spans | 1 |
| Year Built | 1990 |
Traffic
| Avg Daily Traffic | 25 (2021) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 48 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 055481700000000 |