Tr-77a over Lake Sara Spillway
Good Condition69 years old900 vehicles/day
Location
| State | Illinois |
| County | Effingham |
| Location | 2 Mi W Effingham |
| Carries | Tr-77a |
| Crosses | Lake Sara Spillway |
| Coordinates | 39.12344, -88.61771 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete |
| Design | Tee Beam |
| Total Length | 86.0 ft (26.2 m) |
| Max Span | 28.9 ft (8.8 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 238.4 sq m |
| Main Spans | 3 |
| Year Built | 1957 |
Traffic
| Avg Daily Traffic | 900 (2023) |
| Truck Traffic | 12% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | Private |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 025990300000000 |