Tr 181a over Sullivan Branch
Good Condition26 years old25 vehicles/day
Location
| State | Illinois |
| County | Hamilton |
| Location | 6 Mi S Dahlgren |
| Carries | Tr 181a |
| Crosses | Sullivan Branch |
| Coordinates | 38.11034, -88.68178 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 64.0 ft (19.5 m) |
| Max Span | 60.0 ft (18.3 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 142.3 sq m |
| Main Spans | 1 |
| Year Built | 2000 |
Traffic
| Avg Daily Traffic | 25 (2022) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 48 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 033328000000000 |