Road Stream Crossing Site S339

Boardman River Watershed, Miller Creek

Railroad

Garfield Twp, Grand Traverse County

GPS Coordinates: 44.72332 , -85.62397

T27N R11W Sec 22

Existing Drainage Control? no

Any Failings? no

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

Is this crossing constricted? yes

Are there adjacent wetlands? yes

Shape: round

Diameter: 2 ft diameter ft.

Material: galvanized

Condition :poor

Flow: fish passage problem

Fill Depth: 20 ft.

Embankment Slope: 1:1 slope

Fill Depth: 20 ft.

Embankment Slope: 1:1 slope

Stream Width: 8 ft.

Stream Depth: 6 in.

Stream Current: moderate

Stream Substrate: sand,gravel

Stream Width: 15 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? yes

Is there erosion at the shoulder and/or ditch? no

Is there pooling at the outlet? yes

Is there sand over the crossing? no

 

Extent of Erosion: severe

Cause of Erosion: inadequate culverts, debris jam at inlet

Action Recommended? yes

Add pavement? no

Add paved raised edge? no

Increase fill? no

Replace culvert(s)? no

Dimensions of replacement: open bottom structure, 8 ft wide

Extend culvert(s)? no

Comments: Massive plunge pool.

Only one culvert inlet is visible.

Serious debris pile at inlet which is mostly buried.

Culverts are way too small for this creek.