Road Stream Crossing Site B-100

Betsie River Watershed, Betsie Lake tributary
Didrickson Rd
Crystal Lake Twp, Benzie County
Information collected by:
GPS Coordinates: 44.62589163 , -86.21779166
T26N R16W Sec 26
Adjacent Land Owned by Private
Severity: Moderate
Cost: $6,600.00
Site Location
 
Inlet
Outlet
Road Approach - Left
Road Approach - Right
Crossing Information
Road Width at Culvert: 20 ft.
Road Surface: Paved
Maintenance: year around
Low Point: Right Approach
Existing Drainage Control? no
Any Failings? no
Type of Crossing: culvert(s) (single culvert)
Is this crossing constricted? no
Are there adjacent wetlands? yes
Approaches
Left Approach
Length: 1000 ft.
Slope: 1-5%
Vegetation: partial
Right Approach
Length: 0 ft.
Slope: 0%
Vegetation: partial
Culvert Information
Length: 50 ft.
Diameter: 24 ft.
Material: galvanized
Condition :poor
Flow: fish passage problem
Embankments
Upstream
Fill Depth: 5 ft.
Embankment Slope: 2:1
Downstream
Fill Depth: 8 ft.
Embankment Slope: 1.5:1
Stream Information
Upstream
Stream Width: 2 ft.
Stream Depth: 0.5 in.
Stream Current: moderate
Downstream
Stream Width: 4 ft.
Stream Depth: 0.5 in.
Stream Current: moderate
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? yes
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
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)? no
Dimensions of replacement: 1
Extend culvert(s)? no
Lineal feet to extend: 1
Other Treatments: Regrade, reveg. Embankment.
 
Severity:Moderate
This page last updated on 2/9/2022.