Road Stream Crossing Site S901

Boardman River Watershed, Miller Creek
Private Drive
Garfield Twp, Grand Traverse County
Information collected by:
Grand Travese Conservation District
GPS Coordinates: 44.71723 , -85.64717
T27N R11W Sec 21
Adjacent Land Owned by Private
Perch Height: 0.25 ft.
Severity: Minor
Site Location
 
Inlet
Outlet
Road Approach - Left
Crossing Information
Road Surface: Paved
Maintenance: year around
Low Point: 100 ft west of stream
Existing Drainage Control? no
Any Failings? no
Type of Crossing: culvert(s) (single culvert)
Is this crossing constricted? yes
Are there adjacent wetlands? yes
Approaches
Left Approach
Slope: 0%
Vegetation: heavy
Right Approach
Slope: 1-5%
Vegetation: heavy
Culvert Information
Shape: round
Diameter: 2.5 ft diameter ft.
Material: concrete
Condition :good
Flow: fish passage problem
Perch Height: 0.25 ft.
Embankments
Upstream
Fill Depth: 4 ft.
Embankment Slope: 1:1 slope
Downstream
Fill Depth: 6 ft.
Embankment Slope: 1:1 slope
Stream Information
Upstream
Stream Width: 3 ft.
Stream Depth: 10 in.
Stream Current: slow
Stream Substrate: sand
Downstream
Stream Width: 3 ft.
Stream Depth: 3 in.
Stream Current: moderate
Stream Substrate: sand
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
 
Extent of Erosion: minor
Cause of Erosion: obstruction at inlet and pershed outlet
Recommended Treatments
Action Recommended? yes
Add pavement? no
Add paved raised edge? no
Increase fill? no
Replace culvert(s)? no
Extend culvert(s)? no
Other Treatments: hydraulic lift - rock rip rap
Comments: Add hydraulic lift to outlet with rock rip rap.

Remove board and wire fence from inlet, it blocks fish migration.
 
Severity:Minor
This page last updated on 2/9/2022.