Marengo RD (tr 77) over Mud Creek
Fair Condition32 years old2,000 vehicles/day
Location
| State | Illinois |
| County | Boone |
| Location | 1.5 Mi N Gardn Prari |
| Carries | Marengo RD (tr 77) |
| Crosses | Mud Creek |
| Coordinates | 42.27697, -88.73907 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| 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 | Stringer/Multi-beam |
| Total Length | 52.5 ft (16 m) |
| Max Span | 49.9 ft (15.2 m) |
| Deck Width | 39.0 ft (11.9 m) |
| Deck Area | 190.4 sq m |
| Main Spans | 1 |
| Year Built | 1994 |
Traffic
| Avg Daily Traffic | 2,000 (2023) |
| Truck Traffic | 16% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 48 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 004308600000000 |