Road Stream Crossing Site S452

Boardman River Watershed, Jaxon Creek Tributary

Snowmobile Trail

Blair Twp, Grand Traverse County

GPS Coordinates: 44.6316 , -85.58032

T26N R11W Sec 24

Road Width at Culvert: 14 ft.

Road Surface: Sand

Low Point: At Stream

Existing Drainage Control? yes

Any Failings? yes

Type of Crossing: Bridge

Is this crossing constricted? no

Are there adjacent wetlands? yes

Length: 217 ft.

Slope: 1-5%

Vegetation: heavy

Length: 300 ft.

Slope: 1-5%

Vegetation: heavy

Material: timber

Condition :good

Flow: clear

Stream Current: moderate

Stream Current: moderate

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? yes

Is there pooling at the outlet? no

Is there sand over the crossing? yes

 

Extent of Erosion: severe

Action Recommended? yes

Add pavement? no

Add paved raised edge? no

Number of erosion control structures: 6 to 8

Increase fill? no

Replace culvert(s)? no

Extend culvert(s)? no

Comments: Crossing needs the gravel refreshed at the livestock crossing. Three or four diversion birms are needed on each approach. There currently exists about four inches of sand fill on top of the bridge; this should be removed.