Road Stream Crossing Site B-006

Betsie River Watershed, Betsie River

Wallin Rd

Colfax Twp, Benzie County

GPS Coordinates: 44.57046672 , -85.89313597

T25N R13W Sec 9

Road Width at Culvert: 32 ft.

Road Surface: Paved

Maintenance: year around

Low Point: Right approach

Existing Drainage Control? yes

Any Failings? yes

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

Is this crossing constricted? no

Are there adjacent wetlands? yes

Length: 0 ft.

Slope: 0%

Vegetation: heavy

Length: 0 ft.

Slope: 0%

Vegetation: partial

Length: 42 ft.

Diameter: 144 ft.

Material: galvanized

Condition :fair

Flow: clear

Fill Depth: 8 ft.

Embankment Slope: 1.5:1

Fill Depth: 10 ft.

Embankment Slope: 1.5:1

Stream Width: 50 ft.

Stream Depth: 2 in.

Stream Current: moderate

Stream Substrate: sand,gravel

Stream Width: 50 ft.

Stream Depth: 3 in.

Stream Current: moderate

Stream Substrate: sand

Is there Streambank erosion beside the crossing? yes

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? no

Is there sand over the crossing? yes

Other Conditions: Cement erosion control structures starting to look old.

 

Extent of Erosion: minor

Action Recommended? yes

Add pavement? no

Add paved raised edge? no

Number of erosion control structures: 0

Number of sediment basins: 0

Number of diversion outlets: 0

Increase fill? no

Replace culvert(s)? no

Dimensions of replacement: 0

Extend culvert(s)? no

Lineal feet to extend: 0

Other Treatments: Watch cement structures for long-term durability.