Road Stream Crossing Site GTBAY_MCT041

Mitchell Creek Watershed, Vanderlip Creek
Vanderlip Rd
East Bay Twp, Grand Traverse County
Information collected by:
Site Location
GPS Coordinates: 44.72279462 , -85.55328185
T27N R10W Sec 20
Owned by Private
Fish Passability 0.9
Total Erosion: 3.4919 tons/year
Severity: Severe
Year Inventoried: 2020
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Mixture
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 60 ft. , Width 3 ft. , Height 3 ft.
Structure Inlet
Water Depth: 0.6 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 0.4 ft./sec.
Structure Outlet
Water Depth: 1.6 ft.
Embedded Depth of Structure: 0.3 ft.
Water Velocity*: 0.1 ft./sec.
*Water Velocities were measured 0.4 ft. below Surface (with Meter)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 0.2 ft.
Bankfull Width: 6.7 ft.
Wetted Width: 4.6 ft.
Water Velocity: 1.6 ft./sec. (Measured with Meter)
Dominant Substrate: Gravel
Road Information
Gravel County Road
Road Condition: Fair
Road Width at Culvert: 25 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2.2 ft.
Slope: Less than 1:2
Downstream
Fill Depth: 3.3 ft.
Slope: 1:2
Approaches
Left Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.5
Erosion: 1.7218 tons/year
Right Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.5
Erosion: 1.7218 tons/year
Erosion Information
Total Erosion at Crossing: 3.4919 tons/year
Extent of Erosion: Moderate
Erosion is occurring and corrective actions can be installed to address the problem.
Location of Erosion
Erosion Dimensions
Eroded Material
Material Eroded
Total Erosion
facing downstream
Length
Width
Depth
Reaching Stream?
(tons/year)
Right Upstream Embankment
1.6 ft.
4.4 ft.
4.5 ft.
yes
Sandy Loam
0.0484
Summary Information
Fish Passability 0.9
Erosion is an area of concern for this site.
These non-native species were observerd at this site: Queen Anne's Lace, Bladdar Campion, Spotted Knapweed