Road Stream Crossing Site GTBAY_S942

Boardman River Watershed, East Creek
Knight Rd
Paradise Twp, Grand Traverse County
Information collected by:
Site Location
GPS Coordinates: 44.610689 , -85.454917
T26N R10W Sec 36
Owned by Private
Fish Passability 0.5
Total Erosion: 0.2285 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)
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Rock
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 108 ft. , Width 5 ft. , Height 5 ft.
Structure Inlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 0.6 ft.
Water Velocity*: 2.4 ft./sec.
Structure Outlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 2.9 ft./sec.
*Water Velocities were measured 0.3 ft. below Surface (with Meter)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 1 ft.
Bankfull Width: 6.2 ft.
Wetted Width: 4.2 ft.
Water Velocity: 1.3 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved County Road
Road Condition: Fair
Road Width at Culvert: 27 ft.
Location of Low Point: Other
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 5.2 ft.
Slope: More than 1:2
Downstream
Fill Depth: 1.5 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 200 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.23
Erosion: 0.2196 tons/year
Right Approach
Length: 200 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0089 tons/year
Erosion Information
Total Erosion at Crossing: 0.2285 tons/year
Summary Information
Fish Passability 0.5
These non-native species were observerd at this site: Thistle