Road Stream Crossing Site PLT-B-3

Platte River Watershed, Unnamed Tributary to Little Platte Lake

US 31

Benzonia Twp, Benzie County

GPS Coordinates: 44.66385 , -86.05907

T26 R15 Sec 12

Road Width at Culvert: 40 ft.

Road Surface: Paved

Maintenance: year around

Low Point: At Stream

Existing Drainage Control? no

Any Failings? no

Type of Crossing: culvert(s) (Concrete Box)

Is this crossing constricted? no

Are there adjacent wetlands? yes

Comments: -Sediment deposits in structure -Increased stream volume could result in sheet flow thru structure

Length: 500 ft.

Slope: 1-5%

Vegetation: heavy

Length: 200 ft.

Slope: 0%

Vegetation: heavy

Length: 50 ft.

Diameter: 5 ft.

Material: concrete

Condition :fair

Flow: fish passage problem

Fill Depth: 11 ft.

Embankment Slope: 1:1

Fill Depth: 11 ft.

Embankment Slope: 1:1

Stream Width: 2.5 ft.

Stream Depth: 9 in.

Stream Current: slow

Stream Substrate: sand,muck

Stream Width: 2 ft.

Stream Depth: 0.1 in.

Stream Current: slow

Stream Substrate: sand,gravel

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? no

Is there sand over the crossing? no

 

Extent of Erosion: minor

Action Recommended? yes

Add pavement? no

Pave Left Approach: 0 Lineal Feet

Pave Right Approach: 0 Lineal Feet

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

Extend culvert(s)? no

Lineal feet to extend: 0

 

Total Points:0