Tr 549 over Harkness Creek
Good Condition16 years old50 vehicles/day
Location
| State | Illinois |
| County | Adams |
| Location | Bluff Hall |
| Carries | Tr 549 |
| Crosses | Harkness Creek |
| Coordinates | 39.81734, -91.34009 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (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 | 46.6 ft (14.2 m) |
| Max Span | 44.0 ft (13.4 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 103.7 sq m |
| Main Spans | 1 |
| Year Built | 2010 |
Traffic
| Avg Daily Traffic | 50 (2024) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2020 |
| Inspection Frequency | Every 48 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 001343000000000 |