Tr 237 over Spring Branch
Fair Condition59 years old50 vehicles/day
Location
| State | Illinois |
| County | Bond |
| Location | 2.75 M N Keyesport |
| Carries | Tr 237 |
| Crosses | Spring Branch |
| Coordinates | 38.78254, -89.26541 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 146.0 ft (44.5 m) |
| Max Span | 36.1 ft (11 m) |
| Deck Width | 22.0 ft (6.7 m) |
| Deck Area | 298.1 sq m |
| Main Spans | 4 |
| Year Built | 1967 |
Traffic
| Avg Daily Traffic | 50 (2020) |
| Truck Traffic | 8% |
| 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 | 003390600000000 |