Road Stream Crossing Site SML-C-13

Six Mile Lake Watershed, Six Mile Lake Tributary

Miles Rd

South Arm Twp, Charlevoix County

GPS Coordinates: 45.12115994 , -85.19966086

T32N R07W Sec 32

Road Width at Culvert: 25 ft.

Road Surface: Paved

Maintenance: year around

Low Point: At stream

Existing Drainage Control? no

Any Failings? no

Type of Crossing: culvert(s)

Is this crossing constricted? no

Are there adjacent wetlands? no

Length: 800 ft.

Slope: 1-5%

Vegetation: partial

Length: 0 ft.

Slope: 0%

Vegetation: partial

Length: 45 ft.

Diameter: 25 ft.

Material: galvanized

Condition :fair

Flow: fish passage problem

Fill Depth: 5 ft.

Embankment Slope: 2:1

Fill Depth: 6 ft.

Embankment Slope: vertical

Stream Width: 1.5 ft.

Stream Depth: 0.3 in.

Stream Current: moderate

Stream Substrate: sand/gravel

Stream Width: 1.5 ft.

Stream Depth: 0.3 in.

Stream Current: moderate

Stream Substrate: sand/gravel

Is there Streambank erosion beside the crossing? yes

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

Other Conditions: perched culvert

 

Extent of Erosion: severe

Cause of Erosion: diversion outlets are on top of embankment

Action Recommended? no

Add pavement? no

Pave Left Approach: 0 Lineal Feet

Pave Right Approach: 0 Lineal Feet

Add paved raised edge? no

Number of erosion control structures: 0

Number of sediment basins: 0

Number of diversion outlets: 2

Increase fill? no

Replace culvert(s)? yes

Extend culvert(s)? no

Lineal feet to extend: 0

Other Treatments: bury culvert, revegetate embankments, place 5 yds of rock riprap, clean up trash

 

Total Points:0