Road Stream Crossing Site S899

Boardman River Watershed, Williams Creek

Railroad

Blair Twp, Grand Traverse County

GPS Coordinates: 44.67584 , -85.63796

T26N R11W Sec 4

Existing Drainage Control? no

Any Failings? no

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

Is this crossing constricted? yes

Are there adjacent wetlands? yes

Shape: round

Diameter: 2 ft diameter ft.

Material: steel

Condition :poor

Flow: obstructed

Embankment Slope: 1:1 slope

Embankment Slope: 1:1 slope

Stream Width: 5 ft.

Stream Depth: 3 in.

Stream Current: fast

Stream Substrate: sand,gravel

Stream Width: 3 ft.

Stream Depth: 6 in.

Stream Current: fast

Stream Substrate: sand,gravel

Is there Streambank erosion beside the crossing? no

Is there embankment erosion? yes

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: moderate

Action Recommended? yes

Add pavement? no

Add paved raised edge? no

Increase fill? no

Replace culvert(s)? no

Dimensions of replacement: round, galvanized, 4 ft diameter

Extend culvert(s)? no

Other Treatments: Rock rip rap, revegetation

Comments: Add gravel / revegetate area above culvert.

Culvert is almost completely submerged causing flooding during highwater.