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
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