Tr 78 over Macoupin Creek
Good Condition38 years old25 vehicles/day
Location
| State | Illinois |
| County | Greene |
| Location | 8 Mi SE Of Eldred |
| Carries | Tr 78 |
| Crosses | Macoupin Creek |
| Coordinates | 39.16631, -90.49938 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 328.1 ft (100 m) |
| Max Span | 109.9 ft (33.5 m) |
| Deck Width | 26.6 ft (8.1 m) |
| Deck Area | 810 sq m |
| Main Spans | 4 |
| Year Built | 1988 |
Traffic
| Avg Daily Traffic | 25 (2022) |
| Truck Traffic | 20% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 224 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 031507300000000 |