Brown Bridge Road over Boardman River
Good Condition77 years old117 vehicles/day
Location
| State | Michigan |
| County | Grand Traverse |
| Location | 1.5 M N & 4 M E Mayfield |
| Carries | Brown Bridge Road |
| Crosses | Boardman River |
| Coordinates | 44.65176, -85.45521 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Culvert |
| Total Length | 37.7 ft (11.5 m) |
| Max Span | 15.7 ft (4.8 m) |
| Deck Area | 104.7 sq m |
| Main Spans | 2 |
| Year Built | 1949 |
Traffic
| Avg Daily Traffic | 117 (2019) |
| Truck Traffic | 12% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000003063 |