Brown Bridge Road over Boardman River
GoodGrand Traverse County, Michigan · 1.5 M N & 4 M E Mayfield · Structure no. 000000000003063
- Built
- 1949
- 76 years old
- Condition
- Good
- inspected September 2024
- Type
- Culvert
- Steel
- Length
- 38 ft
- 2 main spans
- Daily traffic
- 117
- 2019 count
- Owner
- County
- County Highway Agency
About this bridge
Brown Bridge Road over Boardman River is a steel culvert carrying Brown Bridge Road over Boardman River in Grand Traverse County, Michigan. It was built in 1949, so it is 76 years old, older than the Michigan average of 48.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 117 vehicles a day, roughly 12% of them trucks, projected to reach 150 by 2030. The structure is 38 ft (11.5 m) long. If it were closed, the detour would be 8.1 mi (13 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Brown Bridge Road over Boardman River built?
It was built in 1949, making it 76 years old in 2025.
What condition is Brown Bridge Road over Boardman River in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.
How much traffic does Brown Bridge Road over Boardman River carry?
About 117 vehicles per day (2019 count), of which roughly 12% are trucks.
How long is Brown Bridge Road over Boardman River?
The structure is 38 ft (11.5 m) long with a longest span of 16 ft (4.8 m).
Who owns Brown Bridge Road over Boardman River?
It is owned by the County Highway Agency.