County Road 550 over Alder Creek
Good Condition13 years old1,505 vehicles/day
Location
| State | Michigan |
| County | Marquette |
| Location | At Ransom |
| Carries | County Road 550 |
| Crosses | Alder Creek |
| Coordinates | 46.79178, -87.70141 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 39.0 ft (11.9 m) |
| Max Span | 36.4 ft (11.1 m) |
| Deck Area | 145.2 sq m |
| Main Spans | 1 |
| Year Built | 2013 |
Traffic
| Avg Daily Traffic | 1,505 (2013) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000006563 |