Tr 37a over Rock Springs Branch
Good Condition37 years old575 vehicles/day
Location
| State | Illinois |
| County | St. Clair |
| Location | .5 M East Ch 61 |
| Carries | Tr 37a |
| Crosses | Rock Springs Branch |
| Coordinates | 38.59173, -89.86659 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 43.0 ft (13.1 m) |
| Max Span | 14.1 ft (4.3 m) |
| Deck Width | 27.9 ft (8.5 m) |
| Deck Area | 111.3 sq m |
| Main Spans | 3 |
| Year Built | 1989 |
Traffic
| Avg Daily Traffic | 575 (2023) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 322 |
| Inspection Frequency | Every 48 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 082308000000000 |