Road Stream Crossing Site PLT-P-1

Platte River Watershed, North Branch of Platte River

Valley Rd

Platte Twp, Benzie County

GPS Coordinates: 44.72305 , -85.99809

T27 R14 Sec 22

Road Width at Culvert: 40 ft.

Road Surface: Paved

Maintenance: year around

Low Point: At Stream

Existing Drainage Control? yes

Any Failings? yes

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

Is this crossing constricted? no

Are there adjacent wetlands? yes

Comments: Both inlet and outlet are submerged

Length: 200 ft.

Slope: 0%

Vegetation: heavy

Length: 500 ft.

Slope: >10%

Vegetation: heavy

Length: 40 ft.

Diameter: 0.7 ft.

Material: concrete

Condition :poor

Flow: fish passage problem

Fill Depth: 10 ft.

Embankment Slope: 1:1

Fill Depth: 6 ft.

Embankment Slope: 1:1

Stream Width: 4 ft.

Stream Depth: 0.6 in.

Stream Current: moderate

Stream Substrate: sand

Stream Width: 4 ft.

Stream Depth: 0.7 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? no

 

Extent of Erosion: minor

Action Recommended? no

Add pavement? no

Pave Left Approach: 0 Lineal Feet

Pave Right Approach: 0 Lineal Feet

Add paved raised edge? yes

Number of erosion control structures: 0

Number of sediment basins: 0

Number of diversion outlets: 0

Increase fill? no

Replace culvert(s)? yes

Extend culvert(s)? no

Lineal feet to extend: 0

Comments: The culvert is submerged, obstructed and undersized, so should be replaced with adequately sized structure. The road drainage should also be repaired due to the steep grade of the approach.

 

Total Points:0