Road Stream Crossing Site S438

Boardman River Watershed, Jaxon Creek Tributary

Bancroft Rd

Crossing: Bancroft Road / Jaxon Creek Tributary

Mayfield Twp, Grand Traverse County

GPS Coordinates: 44.58979 , -85.5846

T25N R11W Sec 01

Road Width at Culvert: 26 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? no

Are there adjacent wetlands? yes

Comments: Dry streambed, moist soils

Slope: 1-5%

Vegetation: heavy

Slope: 1-5%

Vegetation: heavy

Shape: round

Length: 35 ft.

Diameter: 1.5 ft diameter ft.

Material: steel

Condition :poor

Flow: obstructed

Fill Depth: 4.5 ft.

Embankment Slope: vertical

Fill Depth: 4.5 ft.

Embankment Slope: vertical

Stream Current: none

Stream Substrate: muck

Stream Current: none

Stream Substrate: muck

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: minor

Cause of Erosion: Road runoff, culvert is buried and too short

Action Recommended? yes

Add pavement? no

Add paved raised edge? no

Increase fill? no

Replace culvert(s)? no

Dimensions of replacement: round, galvanized, 2 ft diameter, 50 feet long

Extend culvert(s)? no

Comments: Probably receives spring flows and heavy rain event flows.

Culvert situation is horrible and needs replacement.