Road Stream Crossing Site RRD

Boardman River Watershed, Rons Creek

River Drive

Blair Twp, Grand Traverse County

GPS Coordinates: 44.66673 , -85.614

T27N R11W Sec 11

Road Width at Culvert: 14 ft.

Road Surface: Gravel

Maintenance: year around

Low Point: At Stream

Existing Drainage Control? no

Any Failings? no

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

Is this crossing constricted? yes

Are there adjacent wetlands? yes

Length: 3 ft.

Slope: >10%

Vegetation: heavy

Length: 3 ft.

Slope: >10%

Vegetation: heavy

Shape: round

Length: 37 ft.

Diameter: 1.25 ft. diameter ft.

Material: concrete

Condition :poor

Flow: clear

Stream Width: 6.5 ft.

Stream Depth: 8 in.

Stream Current: moderate

Stream Substrate: muck

Stream Width: 14.5 ft.

Stream Depth: 6 in.

Stream Current: moderate

Stream Substrate: sand

Is there Streambank erosion beside the crossing? no

Is there embankment erosion? no

Is there erosion at the culvert outlet? yes

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? yes

Add pavement? no

Add paved raised edge? no

Increase fill? no

Replace culvert(s)? no

Dimensions of replacement: Low profile box, 7' wide

Extend culvert(s)? no

Lineal feet to extend: 15', 7' per side

Comments: Consider moving outlet 6' to the south. Needs a low profile box culvert, 7' wide and 50' long.

Contact Road Commission re: sand trap along River Road. Consider adding experemental spawning gravel beds.