Road Stream Crossing Site S749

Boardman River Watershed, Jackson Creek
Sparling Rd
Crossing: Sparling Road / Jackson Creek
Paradise Twp, Grand Traverse County
Information collected by:
Grand Travese Conservation District
GPS Coordinates: 44.57016 , -85.48232
T25N R10W Sec 11, 14
Adjacent Land Owned by Private
Severity: Moderate
Site Location
 
Inlet
Outlet
Road Approach - Left
Road Approach - Right
Crossing Information
Road Width at Culvert: 22 ft.
Road Surface: Paved
Maintenance: year around
Low Point: 200 feet W of stream
Existing Drainage Control? no
Any Failings? no
Type of Crossing: culvert(s) (twin culvert)
Is this crossing constricted? yes
Are there adjacent wetlands? yes
Approaches
Left Approach
Slope: 1-5%
Vegetation: heavy
Right Approach
Slope: 1-5%
Vegetation: heavy
Culvert Information
Shape: arc pipe
Length: 60 ft.
Diameter: 4.5 ft wide, 3 ft tall ft.
Material: galvanized
Condition :good
Flow: clear
Embankments
Upstream
Embankment Slope: 1.5:1 slope
Downstream
Embankment Slope: 1.5:1 slope
Stream Information
Upstream
Stream Width: 5 ft.
Stream Depth: 5 in.
Stream Current: slow
Stream Substrate: sand
Downstream
Stream Width: 5 ft.
Stream Depth: 6 in.
Stream Current: slow
Stream Substrate: sand
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? no
Is there sand over the crossing? no
 
Extent of Erosion: moderate
Cause of Erosion: road runoff
Recommended Treatments
Action Recommended? yes
Add pavement? no
Add paved raised edge? yes
Number of diversion outlets: 2
Increase fill? no
Replace culvert(s)? no
Extend culvert(s)? no
Comments: Diversion outlets should be placed west of crossing, with raised edges running from the outlets all the way to intersection east of crossing.
 
Severity:Moderate
This page last updated on 2/9/2022.