Tr 230 over Mill Creek
Good Condition30 years old75 vehicles/day
Location
| State | Illinois |
| County | Adams |
| Location | 6 Mi E Quincy |
| Carries | Tr 230 |
| Crosses | Mill Creek |
| Coordinates | 39.97721, -91.23305 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (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 | 59.1 ft (18 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 138.0 sq m |
| Main Spans | 1 |
| Year Built | 1996 |
Traffic
| Avg Daily Traffic | 75 (2024) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 48 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 001339800000000 |