Road Stream Crossing Site S910

Boardman River Watershed, Miller Creek Tributary

Private Drive

Garfield Twp, Grand Traverse County

GPS Coordinates: 44.71908 , -85.62601

T27N R11W Sec 22

Road Width at Culvert: 40 ft.

Road Surface: Sand
Gravel

Existing Drainage Control? no

Any Failings? no

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

Is this crossing constricted? yes

Are there adjacent wetlands? yes

Slope: 0%

Vegetation: partial

Slope: 1-5%

Vegetation: partial

Shape: round

Length: 60 ft.

Diameter: 1.5 ft diameter ft.

Flow: obstructed

Fill Depth: 4 ft.

Embankment Slope: 1:1 slope

Fill Depth: 4 ft.

Embankment Slope: 1:1 slope

Stream Width: 5 ft.

Stream Depth: 3 in.

Stream Current: slow

Stream Substrate: sand,gravel

Stream Width: 3 ft.

Stream Depth: 2 in.

Stream Current: moderate

Stream Substrate: gravel

Is there Streambank erosion beside the crossing? yes

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? yes

 

Extent of Erosion: severe

Cause of Erosion: Utility clearing, road runoff

Action Recommended? yes

Add pavement? yes

Add paved raised edge? no

Increase fill? no

Replace culvert(s)? no

Dimensions of replacement: round, galvanized, 2 ft diameter, 70 feet long

Extend culvert(s)? no

Other Treatments: Rock rip rap, revegetation

Comments: Culvert Material / Condition:
Inlet - concrete, poor
Outlet - galvanized (extension), good

Replace culvert, pave driveway, then stabilize embankments and stream banks with rock rip rap, seed and mulch, and plantings, etc.