Road Stream Crossing Site S704

Boardman River Watershed, Carpenter Creek

Private Trail

Union Twp, Grand Traverse County

GPS Coordinates: 44.64626 , -85.40647

T26N R09W Sec 16

Road Width at Culvert: 11.5 ft.

Road Surface: Gravel

Existing Drainage Control? no

Any Failings? no

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

Is this crossing constricted? yes

Are there adjacent wetlands? yes

Slope: 0%

Vegetation: heavy

Slope: 0%

Vegetation: heavy

Shape: round

Length: 14 ft.

Diameter: 2 ft diameter ft.

Material: galvanized

Condition :good

Flow: fish passage problem

Fill Depth: 1 ft.

Embankment Slope: vertical

Fill Depth: 1 ft.

Embankment Slope: vertical

Stream Width: 6 ft.

Stream Depth: 9 in.

Stream Current: moderate

Stream Substrate: sand

Stream Width: 7 ft.

Stream Depth: 3 in.

Stream Current: moderate

Stream Substrate: sand,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: none

Action Recommended? yes

Add pavement? no

Add paved raised edge? no

Increase fill? no

Replace culvert(s)? no

Dimensions of replacement: 6 ft wide low-profile box

Extend culvert(s)? no

Comments: This crossing should be removed because it appears to get little use. However, it is probable that the property owner would like to keep it in place, so a culvert replacement is recommended. The crossing is stable as wooden beams (6" x 6") lining the tr