Road Stream Crossing Site S906

Boardman River Watershed, Miller Creek Tributary

McRae Hill Rd

Crossing: McRae Hill Road / Miller Creek Tributary

Garfield Twp, Grand Traverse County

GPS Coordinates: 44.71613 , -85.64825

T27N R11W Sec 21

Road Width at Culvert: 20 ft.

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

Length: 55 ft.

Diameter: 2.5 ft diameter ft.

Material: concrete

Condition :poor

Flow: obstructed

Fill Depth: 4 ft.

Embankment Slope: 1:1 slope

Fill Depth: 4 ft.

Embankment Slope: 1:1 slope

Stream Width: 2 ft.

Stream Depth: 3 in.

Stream Current: moderate

Stream Substrate: sand

Stream Width: 2 ft.

Stream Depth: 3 in.

Stream Current: moderate

Stream Substrate: sand

Is there Streambank erosion beside the crossing? no

Is there embankment erosion? yes

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: severe

Cause of Erosion: Inadequate culvert

Action Recommended? yes

Add pavement? no

Add paved raised edge? no

Increase fill? no

Replace culvert(s)? no

Dimensions of replacement: round, galvanized, 3 ft diameter, 60 ft long

Extend culvert(s)? no

Other Treatments: Rock rip rap, revegetation

Comments: Culvert is 90% obstructed by sand.