Road Stream Crossing Site S928

Boardman River Watershed, Jack's Creek

Private Trail

Garfield Twp, Grand Traverse County

GPS Coordinates: 44.71159 , -85.62821

T27N R11W Sec 27

Road Width at Culvert: 18 ft.

Road Surface: Sand

Maintenance: seasonal

Low Point: At 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

Slope: 1-5%

Vegetation: partial

Slope: 1-5%

Vegetation: partial

Shape: round

Length: 18 ft.

Diameter: 4 ft diameter ft.

Material: steel

Condition :poor

Flow: fish passage problem

Fill Depth: 1 ft.

Embankment Slope: vertical

Fill Depth: 1 ft.

Embankment Slope: vertical

Stream Width: 8 ft.

Stream Depth: 3 in.

Stream Current: fast

Stream Substrate: sand,gravel

Stream Width: 8 ft.

Stream Depth: 3 in.

Stream Current: fast

Stream Substrate: sand,gravel

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? yes

Is there sand over the crossing? no

 

Extent of Erosion: moderate

Action Recommended? yes

Add pavement? no

Add paved raised edge? no

Increase fill? no

Replace culvert(s)? no

Extend culvert(s)? no

Other Treatments: Remove crossing and replace with a small bridge or open-bottom culvert if necessary

Comments: Flow is accelerated through this culvert.

Culvert is beginning to collapse.

Streambank stabilization efforts are necessary here as well.