Tr 21 over Trib W Frk W R Crk
Fair Condition38 years old150 vehicles/day
Location
| State | Illinois |
| County | Madison |
| Location | 4.5 Mi N Of Alton |
| Carries | Tr 21 |
| Crosses | Trib W Frk W R Crk |
| Coordinates | 38.98473, -90.14823 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 82.0 ft (25 m) |
| Max Span | 29.9 ft (9.1 m) |
| Deck Width | 28.2 ft (8.6 m) |
| Deck Area | 215 sq m |
| Main Spans | 3 |
| Year Built | 1988 |
Traffic
| Avg Daily Traffic | 150 (2021) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 223 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 060327900000000 |