Tr 177(river Rd) over Sangamon River Trib
Poor Condition38 years old50 vehicles/day
Location
| State | Illinois |
| County | Macon |
| Location | 3.5 Mi SE Of Niantic |
| Carries | Tr 177(river Rd) |
| Crosses | Sangamon River Trib |
| Coordinates | 39.80686, -89.14232 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 4 (Poor) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 53.5 ft (16.3 m) |
| Max Span | 49.9 ft (15.2 m) |
| Deck Width | 24.9 ft (7.6 m) |
| Deck Area | 123.9 sq m |
| Main Spans | 1 |
| Year Built | 1988 |
Traffic
| Avg Daily Traffic | 50 (2020) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 058330000000000 |