Road Stream Crossing Site B-088

Betsie River Watershed, Betsie River tributary

M-115

Crystal Lake Twp, Benzie County

GPS Coordinates: 44.6323663 , -86.14485754

T26N R15W Sec 20

Road Width at Culvert: 35 ft.

Road Surface: Paved

Maintenance: year around

Low Point: At Stream

Existing Drainage Control? no

Any Failings? no

Type of Crossing: Bridge

Is this crossing constricted? no

Are there adjacent wetlands? yes

Comments: Channel braiding downstream due to excessive sand bedload.

Length: 0 ft.

Slope: 0%

Vegetation: heavy

Length: 0 ft.

Slope: 0%

Vegetation: heavy

Fill Depth: 0 ft.

Embankment Slope: 1.5:1

Fill Depth: 0 ft.

Embankment Slope: 2:1

Stream Width: 8 ft.

Stream Depth: 0.5 in.

Stream Current: slow

Stream Substrate: sand

Stream Width: 8 ft.

Stream Depth: 0.5 in.

Stream Current: moderate

Stream Substrate: sand

Is there Streambank erosion beside the crossing? no

Is there embankment erosion? no

Is there erosion at the culvert outlet? no

Is there erosion at the shoulder and/or ditch? no

Is there pooling at the outlet? no

Is there sand over the crossing? yes

 

Extent of Erosion: minor

Action Recommended? no

Add pavement? no

Add paved raised edge? no

Number of erosion control structures: 0

Number of sediment basins: 1

Number of diversion outlets: 0

Increase fill? no

Replace culvert(s)? no

Dimensions of replacement: 0

Extend culvert(s)? no

Lineal feet to extend: 0

Comments: Reduce sand bedload coming in from Crystal Lake.