Road Stream Crossing Site GTBAY_MCT023
Mitchell Creek Watershed, Four Mile Creek
Hammond Rd
East Bay Twp,
Grand Traverse County
Information collected by:
Site Location
GPS Coordinates: 44.7153903
, -85.5425085
T27N
R10W
Sec 29
Owned by Private
Fish Passability 0.5
Total Erosion: 0.9905 tons/year
Severity: Moderate
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: None
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 150 ft.
, Width 2.5 ft.
, Height 2.5 ft.
Structure Inlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2.5 ft./sec.
Structure Outlet
Water Depth: 0.6 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.6 ft./sec.
*Water Velocities were measured 0.1 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 0.4 ft.
Bankfull Width: 6 ft.
Wetted Width: 3.2 ft.
Water Velocity: 0.6 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved
County Road
Road Condition: Fair
Road Width at Culvert: 35 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 20 ft.
Slope: 1:2
Downstream
Fill Depth: 20 ft.
Slope: 1:2
Approaches
Left Approach
Length: 683 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.532
Erosion: 0.4208 tons/year
Right Approach
Length: 879 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.558
Erosion: 0.5674 tons/year
Erosion Information
Total Erosion at Crossing: 0.9905 tons/year
Extent of Erosion: Minor
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. |
2.1 ft. |
1.5 ft. |
yes |
Sandy Loam |
0.0023 |
Summary Information
Fish Passability 0.5
Erosion is an area of concern for this site.
These non-native species were observerd at this site: Spotted Knapweed, Queen Anne's Lace, Burdock, Autumn Olive, Reed Canary Grass