Road Stream Crossing Site B-030

Betsie River Watershed, Peppermint Creek
Lindy Rd
Colfax Twp, Benzie County
Information collected by:
GPS Coordinates: 44.52065375 , -85.90492889
T25N R13W Sec 32
Adjacent Land Owned by State
Severity: Moderate
Cost: $10,000.00
Site Location
 
Crossing Information
Road Width at Culvert: 8 ft.
Road Surface: Gravel
Maintenance: seasonal
Low Point: At Stream
Existing Drainage Control? no
Any Failings? no
Type of Crossing: culvert(s) (single culvert)
Is this crossing constricted? no
Are there adjacent wetlands? yes
Comments: Beaver pond downstream.
Approaches
Left Approach
Length: 70 ft.
Slope: 1-5%
Vegetation: heavy
Right Approach
Length: 90 ft.
Slope: 1-5%
Vegetation: heavy
Culvert Information
Length: 22 ft.
Diameter: 24 ft.
Material: galvanized
Condition :poor
Flow: obstructed
Embankments
Upstream
Fill Depth: 0 ft.
Embankment Slope: vertical
Downstream
Fill Depth: 0 ft.
Embankment Slope: vertical
Stream Information
Upstream
Stream Width: 2 ft.
Stream Depth: 0.5 in.
Stream Current: slow
Stream Substrate: sand
Downstream
Stream Width: 30 ft.
Stream Depth: 3 in.
Stream Current: slow
Stream Substrate: muck
Erosion Information
Conditions
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? yes
Is there sand over the crossing? yes
Other Conditions: Beaver pond on downstream end.
 
Extent of Erosion: severe
Cause of Erosion: Beaver pond, culvert caved in.
Recommended Treatments
Action Recommended? no
Add pavement? no
Add paved raised edge? no
Number of erosion control structures: 0
Number of sediment basins: 0
Number of diversion outlets: 0
Increase fill? yes
Replace culvert(s)? no
Dimensions of replacement: 1
Extend culvert(s)? no
Lineal feet to extend: 1
Other Treatments: Regrade road, remove beaver dam.
 
Severity:Moderate
This page last updated on 10/16/2014.