Old US 50 over Rock Spring Brook
Fair Condition74 years old8,600 vehicles/day
Location
| State | Illinois |
| County | St. Clair |
| Location | East Ofallon |
| Carries | Old US 50 |
| Crosses | Rock Spring Brook |
| Coordinates | 38.58090, -89.89079 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 60.0 ft (18.3 m) |
| Max Span | 56.1 ft (17.1 m) |
| Deck Width | 42.0 ft (12.8 m) |
| Deck Area | 234.2 sq m |
| Main Spans | 1 |
| Year Built | 1952 (reconstructed 1981) |
Traffic
| Avg Daily Traffic | 8,600 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 082026800000000 |