Tr 74b over Riley Creek
Poor Condition45 years old600 vehicles/day
Location
| State | Illinois |
| County | Coles |
| Location | 1.25 Mi NE Mattoon |
| Carries | Tr 74b |
| Crosses | Riley Creek |
| Coordinates | 39.51033, -88.34124 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 3 (Serious) |
| Superstructure | 3 (Serious) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 45.9 ft (14 m) |
| Max Span | 44.9 ft (13.7 m) |
| Deck Width | 27.9 ft (8.5 m) |
| Deck Area | 119 sq m |
| Main Spans | 1 |
| Year Built | 1981 |
Traffic
| Avg Daily Traffic | 600 (2024) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 015324200000000 |