Road Stream Crossing Site UBR_MC04A

Upper Black River Watershed, Weed Creek
Osmun Rd
Walker Twp, Cheboygan County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 45.33247 , -84.38939
T34N R1W Sec 26
Owned by State
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 0.0279 tons/year
Severity: Moderate
Year Inventoried: 2015
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Right
Road Approach - Left
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: New
Structure Interior: corrugated
Dimensions of Structure: Length 29 ft. , Width 1.9 ft. , Height 2.1 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.72 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2.5 ft./sec.
Structure Outlet
Water Depth: 0.62 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2.9 ft./sec.
*Water Velocities were measured 0.4 ft. below Surface (with Meter)
Additional Comments
Culvert installed only a few days prior to inventory
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 7.5 ft. , Width 10.1 ft. , Depth 2.1 ft.
Upstream Pond: Length 0 ft. , Width 0 ft. , Depth 0 ft.
Riffle Information
Water Depth: 0.9 ft.
Bankfull Width: 10.1 ft.
Wetted Width: 8.8 ft.
Water Velocity: 1.4 ft./sec. (Measured with Meter)
Dominant Substrate: Gravel
Road Information
Gravel County Road
Road Condition: Fair
Road Width at Culvert: 22.5 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 0.9 ft.
Slope: 1:1.5
Downstream
Fill Depth: 1 ft.
Slope: Vertical
Approaches
Left Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Right Approach
Length: 90 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0279 tons/year
Erosion Information
Total Erosion at Crossing: 0.0279 tons/year
Notes: Culvert was installed within the past week, vegetation should help stabilize erosion within a few years.
Location of Erosion
Erosion Dimensions
Eroded Material
Material Eroded
Total Erosion
facing downstream
Length
Width
Depth
Reaching Stream?
(tons/year)
Left Downstream Ditch
15.4 ft.
18 ft.
0.1 ft.
yes
Gravelly Loam
Right Approach
16 ft.
2.2 ft.
2 ft.
yes
Gravelly Loam
Summary Information
Fish Passability 0.5