Tr 604 over Trib Sangamon River
Good Condition42 years old50 vehicles/day
Location
| State | Illinois |
| County | McLean |
| Location | 2.2 Mi NE Saybrook |
| Carries | Tr 604 |
| Crosses | Trib Sangamon River |
| Coordinates | 40.46006, -88.49781 |
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 | 23.0 ft (7 m) |
| Max Span | 10.8 ft (3.3 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 68.6 sq m |
| Main Spans | 2 |
| Year Built | 1984 |
Traffic
| Avg Daily Traffic | 50 (2024) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 48 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 057361900000000 |