County HWY 21 over Richland Creek
Good Condition32 years old450 vehicles/day
Location
| State | Illinois |
| County | Sangamon |
| Location | .5 N Pleasant Plains |
| Carries | County HWY 21 |
| Crosses | Richland Creek |
| Coordinates | 39.88619, -89.91936 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 77.8 ft (23.7 m) |
| Max Span | 75.1 ft (22.9 m) |
| Deck Width | 36.1 ft (11 m) |
| Deck Area | 260.7 sq m |
| Main Spans | 1 |
| Year Built | 1994 |
Traffic
| Avg Daily Traffic | 450 (2022) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 322 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 084340400000000 |