Tr 331a over Trib Mud Creek
Fair Condition66 years old75 vehicles/day
Location
| State | Illinois |
| County | Iroquois |
| Location | 2.5 Mi E Of Ill 1 |
| Carries | Tr 331a |
| Crosses | Trib Mud Creek |
| Coordinates | 40.58971, -87.64729 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 67.9 ft (20.7 m) |
| Max Span | 24.9 ft (7.6 m) |
| Deck Width | 25.9 ft (7.9 m) |
| Deck Area | 163.5 sq m |
| Main Spans | 3 |
| Year Built | 1960 |
Traffic
| Avg Daily Traffic | 75 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 038550200000000 |