Road Stream Crossing Site GTBAY_ACW013

Acme Creek Watershed, Acme Creek West
S Rainbow Ct
Acme Twp, Grand Traverse County
Information collected by:
Site Location
GPS Coordinates: 44.752086 , -85.481961
T27N R10W Sec 11
Owned by Private
Fish Passability 0
Total Erosion: 0.3104 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)
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 80 ft. , Width 3 ft. , Height 3 ft.
Structure Inlet
Water Depth: 1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.3 ft./sec.
Structure Outlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 5.5 ft./sec.
*Water Velocities were measured 0.6 ft. below Surface (with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 21.9 ft. , Width 12.8 ft. , Depth 1.5 ft.
Riffle Information
Water Depth: 0.5 ft.
Bankfull Width: 13.9 ft.
Wetted Width: 8.1 ft.
Water Velocity: 1.2 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved County Road
Road Condition: Fair
Road Width at Culvert: 29 ft.
Location of Low Point: Other
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 7.8 ft.
Slope: 1:2
Downstream
Fill Depth: 8 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 75 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0036 tons/year
Right Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.64
Erosion: 0.3068 tons/year
Erosion Information
Total Erosion at Crossing: 0.3104 tons/year
Summary Information
Fish Passability 0
These non-native species were observerd at this site: Myrtle