Road Stream Crossing Site P026

Pine River Watershed, Tributary to Big Beaver Creek

15 Mile Rd

Leroy Twp, Osceola County

GPS Coordinates: 44.03112556 , -85.48855296

T19N R10W Sec 22

Road Width at Culvert: 16 ft.

Road Surface: Gravel

Maintenance: year around

Low Point: At Stream

Existing Drainage Control? no

Any Failings? no

Type of Crossing: culvert(s) (twin culvert)

Is this crossing constricted? no

Are there adjacent wetlands? no

Comments: upstream impoundment, failed water control structure

Length: 350 ft.

Slope: 1-5%

Vegetation: heavy

Length: 500 ft.

Slope: 1-5%

Vegetation: heavy

Length: 34 ft.

Diameter: 18/24 ft.

Material: galvanized

Condition :fair

Flow: obstructed

Fill Depth: 7 ft.

Embankment Slope: vertical

Fill Depth: 7 ft.

Embankment Slope: vertical

Stream Width: 0 ft.

Stream Depth: 0 in.

Stream Current: moderate

Stream Substrate: sand,gravel

Stream Width: 3 ft.

Stream Depth: 0.5 in.

Stream Current: moderate

Stream Substrate: sand

Is there Streambank erosion beside the crossing? no

Is there embankment erosion? yes

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? no

 

Extent of Erosion: extreme

Cause of Erosion: impoundment runoff

Action Recommended? no

Add pavement? yes

Add paved raised edge? yes

Number of erosion control structures: 1

Number of sediment basins: 0

Number of diversion outlets: 0

Increase fill? no

Replace culvert(s)? no

Dimensions of replacement: 1

Extend culvert(s)? no

Lineal feet to extend: 0

Other Treatments: place rock riprap, revegetation

Comments: extreme embankment erosion upstream