Road Stream Crossing Site SML-C-21

Six Mile Lake Watershed, Six Mile Lake Tributary
Six Mile Lake Rd
South Arm Twp, Charlevoix County
Information collected by:
GPS Coordinates: 45.14792099 , -85.21578204
T32N R07W Sec 19
Adjacent Land Owned by Private
Severity: Moderate
Cost: $8,600.00
Site Location
Crossing Information
Road Width at Culvert: 23 ft.
Road Surface: Paved
Maintenance: year around
Low Point: 75' to left
Existing Drainage Control? yes
Any Failings? yes
Type of Crossing: culvert(s)
Is this crossing constricted? no
Are there adjacent wetlands? no
Left Approach
Length: 200 ft.
Slope: 1-5%
Vegetation: partial
Right Approach
Length: 35 ft.
Slope: 1-5%
Vegetation: partial
Culvert Information
Length: 50 ft.
Diameter: 24 ft.
Material: galvanized
Condition :good
Flow: fish passage problem
Fill Depth: 9 ft.
Embankment Slope: 1.5:1
Fill Depth: 10 ft.
Embankment Slope: 1:1
Stream Information
Stream Width: 1 ft.
Stream Depth: 0.2 in.
Stream Current: slow
Stream Substrate: sand, muck
Stream Width: 1 ft.
Stream Depth: 0.2 in.
Stream Current: moderate
Stream Substrate: sand/gravel
Erosion Information
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
Other Conditions: perched culvert
Extent of Erosion: moderate
Recommended Treatments
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: 4
Increase fill? no
Replace culvert(s)? yes
Extend culvert(s)? no
Lineal feet to extend: 0
Other Treatments: redistribute rock riprap, revegetate embankments, bury culvert
Total Points:0
This page last updated on 2/9/2022.