Road Stream Crossing Site PLT-I-1

Platte River Watershed, Platte River

Lake Ann Rd

Inland Twp, Benzie County

GPS Coordinates: 44.68663 , -85.83789

T26 R13 Sec 1

Road Width at Culvert: 32 ft.

Road Surface: Paved

Maintenance: year around

Low Point: Other

Existing Drainage Control? yes

Any Failings? no

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

Is this crossing constricted? no

Are there adjacent wetlands? yes

Comments: Outlet section of culvert has been replaced with a galvanized section. The fallen failed concrete s

Length: 250 ft.

Slope: 6-10%

Vegetation: heavy

Length: 300 ft.

Slope: 1-5%

Vegetation: heavy

Length: 60 ft.

Diameter: 3.5 ft.

Material: concrete

Condition :fair

Flow: clear

Fill Depth: 20 ft.

Embankment Slope: vertical

Fill Depth: 20 ft.

Embankment Slope: 1:1

Stream Width: 20 ft.

Stream Depth: 0.6 in.

Stream Current: slow

Stream Substrate: sand,gravel

Stream Width: 9 ft.

Stream Depth: 0.4 in.

Stream Current: moderate

Stream Substrate: 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? no

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)? yes

Extend culvert(s)? no

Lineal feet to extend: 0

Other Treatments: Remove embedded culvert section

Comments: The stream is confined and the culvert has already begun to structural fail.

 

Total Points:0