Tr-99 over Trib Big Creek
Good Condition39 years old75 vehicles/day
Location
| State | Illinois |
| County | Hamilton |
| Location | 2 Mi NE Delafield |
| Carries | Tr-99 |
| Crosses | Trib Big Creek |
| Coordinates | 38.16905, -88.58069 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 62.0 ft (18.9 m) |
| Max Span | 58.1 ft (17.7 m) |
| Deck Width | 24.3 ft (7.4 m) |
| Deck Area | 139.9 sq m |
| Main Spans | 1 |
| Year Built | 1987 |
Traffic
| Avg Daily Traffic | 75 (2022) |
| Truck Traffic | 31% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 222 |
| Inspection Frequency | Every 48 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 033323100000000 |