Road Stream Crossing Site SML-A-19

Six Mile Lake Watershed, Six Mile Lake Tributary
Six Mile Lake Rd
Echo Twp, Antrim County
Information collected by:
GPS Coordinates: 45.11741604 , -85.20626686
T31N R07W Sec 6
Adjacent Land Owned by Private
Severity: Moderate
Cost: $7,100.00
Site Location
 
Crossing Information
Road Width at Culvert: 23 ft.
Road Surface: Paved
Maintenance: year around
Low Point: At stream
Existing Drainage Control? yes
Any Failings? no
Type of Crossing: culvert(s)
Is this crossing constricted? no
Are there adjacent wetlands? yes
Comments: seasonal tributary
Approaches
Left Approach
Length: 280 ft.
Slope: 1-5%
Vegetation: heavy
Right Approach
Length: 0 ft.
Slope: 0%
Vegetation: heavy
Culvert Information
Length: 41 ft.
Diameter: 16 ft.
Material: galvanized
Condition :poor
Flow: obstructed
Embankments
Upstream
Fill Depth: 5 ft.
Embankment Slope: 1.5:1
Downstream
Fill Depth: 6 ft.
Embankment Slope: 1.5:1
Stream Information
Upstream
Stream Width: 0.3 ft.
Stream Depth: 0.1 in.
Stream Current: slow
Stream Substrate: sand, muck
Downstream
Stream Width: 1 ft.
Stream Depth: 0.1 in.
Stream Current: none
Stream Substrate: sand, gravel, m
Erosion Information
Conditions
Is there Streambank erosion beside the crossing? yes
Is there embankment erosion? no
Is there erosion at the culvert outlet? yes
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 outlet
 
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? yes
Number of erosion control structures: 0
Number of sediment basins: 0
Number of diversion outlets: 0
Increase fill? no
Replace culvert(s)? yes
Extend culvert(s)? no
Lineal feet to extend: 0
Other Treatments: rock riprap
Comments: place curbing at southernmost diversion outlet
 
Total Points:0
Severity:Moderate
This page last updated on 2/9/2022.