Keim Bridge/ Tr 20 over Lively Branch
Good Condition49 years old375 vehicles/day
Location
| State | Illinois |
| County | St. Clair |
| Location | 1 M S Ill 156 |
| Carries | Keim Bridge/ Tr 20 |
| Crosses | Lively Branch |
| Coordinates | 38.30590, -89.88059 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete |
| Design | Channel Beam |
| Total Length | 100.1 ft (30.5 m) |
| Max Span | 38.1 ft (11.6 m) |
| Deck Width | 30.2 ft (9.2 m) |
| Deck Area | 280.6 sq m |
| Main Spans | 3 |
| Year Built | 1977 |
Traffic
| Avg Daily Traffic | 375 (2023) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 223 |
| Inspection Frequency | Every 48 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 082409600000000 |