18 1/2 Mi Road over ST Joseph River
Poor Condition68 years old220 vehicles/day
Location
| State | Michigan |
| County | Calhoun |
| Location | Clarendon Twp Sec 18 |
| Carries | 18 1/2 Mi Road |
| Crosses | ST Joseph River |
| Coordinates | 42.12120, -84.93421 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 4 (Poor) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 89.9 ft (27.4 m) |
| Max Span | 44.9 ft (13.7 m) |
| Deck Width | 31.2 ft (9.5 m) |
| Deck Area | 260.3 sq m |
| Main Spans | 2 |
| Year Built | 1958 |
Traffic
| Avg Daily Traffic | 220 (1995) |
| Truck Traffic | 12% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000001330 |