Tr 66a Gilmore Lk over Trib Praire Du Long
Good Condition37 years old350 vehicles/day
Location
| State | Illinois |
| County | Monroe |
| Location | Sect.5 Road Dist. 2 |
| Carries | Tr 66a Gilmore Lk |
| Crosses | Trib Praire Du Long |
| Coordinates | 38.39370, -90.12430 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 51.5 ft (15.7 m) |
| Max Span | 48.9 ft (14.9 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 114.6 sq m |
| Main Spans | 1 |
| Year Built | 1989 |
Traffic
| Avg Daily Traffic | 350 (2024) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 222 |
| Inspection Frequency | Every 48 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 067313700000000 |