Road Stream Crossing Site S424

Boardman River Watershed, Jackson Creek

M-113

Crossing: M-113 / Jackson Creek

Paradise Twp, Grand Traverse County

GPS Coordinates: 44.58461 , -85.48171

T25N R10W Sec 2, 11

Road Surface: Paved

Maintenance: year around

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: heavy

Slope: 1-5%

Vegetation: heavy

Shape: round

Diameter: 6 ft diameter ft.

Material: concrete

Condition :poor

Flow: clear

Embankment Slope: 1:1 slope

Embankment Slope: 1:1 slope

Stream Width: 6 ft.

Stream Depth: 8 in.

Stream Current: moderate

Stream Substrate: sand

Stream Width: 6 ft.

Stream Depth: 12 in.

Stream Current: moderate

Stream Substrate: sand

Is there Streambank erosion beside the crossing? no

Is there embankment erosion? no

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? no

 

Extent of Erosion: minor

Action Recommended? yes

Add pavement? no

Add paved raised edge? no

Increase fill? no

Replace culvert(s)? no

Extend culvert(s)? no

Comments: Rocks at outlet are helping to prevent enlargement of the plunge pool.

Culvert should be replaced if any further road work is to be completed, or if culvert condition worsens. Concrete is failing at inlet.