Road Stream Crossing Site BL-34

Crooked River Watershed, Crooked River tributary
Graham Rd near 31N
Bear Creek Twp, Emmet County
Information collected by:
Tip of the Mitt Watershed Council
Site Location
GPS Coordinates: 45.411921 , -84.865725
T35N R03W Sec 24
Fish Passability 0.9
Total Erosion: 0.0532 tons/year
Severity: Minor
Year Inventoried: 2014
Inlet
Outlet
Downstream Conditions
Upstream 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: Mixture
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 53 ft. , Width 6.5 ft. , Height 5.3 ft.
Structure Inlet
Water Depth: 2.46 ft.
Embedded Depth of Structure: 0.08 ft.
Water Velocity*: 0.069 ft./sec.
Structure Outlet
Water Depth: 2.5 ft.
Embedded Depth of Structure: 0.17 ft.
Water Velocity*: 0.06 ft./sec.
*Water Velocities were measured 2.5 ft. below Surface (with Meter)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 1.15 ft.
Bankfull Width: 25 ft.
Wetted Width: 24 ft.
Water Velocity: 0.45 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 37 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 3 ft.
Slope: 1:1.5
Downstream
Fill Depth: 3 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 75 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.36
Erosion: 0.033 tons/year
Right Approach
Length: 50 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.33
Erosion: 0.0202 tons/year
Erosion Information
Total Erosion at Crossing: 0.0532 tons/year
Summary Information
Fish Passability 0.9