Tr 170 over Trib Macoupin CR
Good Condition22 years old50 vehicles/day
Location
| State | Illinois |
| County | Macoupin |
| Location | 3 Mi NW Macoupin ST |
| Carries | Tr 170 |
| Crosses | Trib Macoupin CR |
| Coordinates | 39.23003, -90.00834 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 71.9 ft (21.9 m) |
| Max Span | 68.9 ft (21 m) |
| Deck Width | 26.9 ft (8.2 m) |
| Deck Area | 179.6 sq m |
| Main Spans | 1 |
| Year Built | 2004 |
Traffic
| Avg Daily Traffic | 50 (2021) |
| Truck Traffic | 36% |
| 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 | 059345000000000 |