Road Stream Crossing Site S717

Boardman River Watershed, Albright Creek Tributary

School Rd

Crossing: School Road / Albright Creek Tributary

Boardman Twp, Kalkaska County

GPS Coordinates: 44.63622 , -85.27826

T26N R08W Sec 21

Road Width at Culvert: 20 ft.

Road Surface: Gravel

Maintenance: year around

Low Point: 75 feet north of crossing

Existing Drainage Control? no

Any Failings? no

Type of Crossing: culvert(s) (single culvert)

Is this crossing constricted? no

Are there adjacent wetlands? yes

Length: 60 ft.

Slope: 1-5%

Vegetation: partial

Length: 75 ft.

Slope: 0%

Vegetation: partial

Shape: round

Length: 32.5 ft.

Diameter: 1.5 ft diameter ft.

Material: galvanized

Condition :good

Flow: clear

Fill Depth: 3 ft.

Embankment Slope: 1:1 slope

Fill Depth: 3 ft.

Embankment Slope: 1:1 slope

Stream Width: 3 ft.

Stream Depth: 1 in.

Stream Current: moderate

Stream Substrate: sand,gravel

Stream Width: 2.5 ft.

Stream Depth: 1 in.

Stream Current: moderate

Stream Substrate: sand,gravel

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? yes

Is there pooling at the outlet? no

Is there sand over the crossing? no

 

Extent of Erosion: severe

Action Recommended? yes

Add pavement? yes

Pave Left Approach: 60 Lineal Feet

Pave Right Approach: 75 Lineal Feet

Add paved raised edge? yes

Number of diversion outlets: 2

Increase fill? no

Replace culvert(s)? no

Extend culvert(s)? no

Lineal feet to extend: 2 feet inlet, 9 feet oulet

Other Treatments: rock riprap, revegetation

Comments: Silt fence holding road back on outlet (west) embankment.