Road Stream Crossing Site GTBAY_S713

Boardman River Watershed, Carpenter Creek
ORV Trail off Boardman Rd
Union Twp, Grand Traverse County
Information collected by:
Site Location
GPS Coordinates: 44.647213 , -85.356186
T26N R9W Sec 14
Owned by State
Fish Passability 0.9
Total Erosion: 0.4134 tons/year
Severity: Moderate
Year Inventoried: 2020
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: Ford
Inlet Type: Other
Outlet Type: At Stream Grade
Structure Substrate: Mixture
General Conditions: Poor
Structure Interior: smooth
Dimensions of Structure: Length 7 ft. , Width 20 ft.
Structure Inlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.9 ft./sec.
Structure Outlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.3 ft./sec.
*Water Velocities were measured 0.2 ft. below Surface (with Meter)
Stream Information
Stream Flow: More than Bankfull
Riffle Information
Water Depth: 0.3 ft.
Bankfull Width: 5 ft.
Wetted Width: 20 ft.
Water Velocity: 0.8 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Native Surface Other Road
Road Condition: Poor
Road Width at Culvert: 7 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Fill Depth: 0 ft.
Slope: More than 1:2
Fill Depth: 0 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 150 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.4
Erosion: 0.1157 tons/year
Right Approach
Length: 300 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.46
Erosion: 0.2661 tons/year
Erosion Information
Total Erosion at Crossing: 0.4134 tons/year
Extent of Erosion: Moderate
Location of Erosion
Erosion Dimensions
Eroded Material
Material Eroded
Total Erosion
facing downstream
Length
Width
Depth
Reaching Stream?
(tons/year)
Right Approach
20 ft.
7 ft.
0.2 ft.
yes
Sandy Loam
0.0269
Left Approach
7 ft.
7 ft.
0.1 ft.
yes
Sandy Loam
0.0047
Summary Information
Fish Passability 0.9