Road Stream Crossing Site CLHW_LBR-001
Little Black River Watershed, West Branch Little Black River
Levering Rd
Beaugrand Twp,
Cheboygan County
Information collected by:
Site Location
GPS Coordinates: 45.6539
, -84.57013
T38N
R2W
Sec 29
Owned by Private
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 0.3907 tons/year
Severity: Minor
Year Inventoried: 2016
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: Gravel
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 32 ft.
, Width 3 ft.
, Height 3 ft.
Percentage Plugged:
Inlet: 26% to 50%
Outlet: 0%
In Pipe: 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 0.7 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.3 ft./sec.
Structure Outlet
Water Depth: 1.3 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 1.3 ft./sec.
*Water Velocities were measured at the Surface
(with Float Test)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 12.5 ft.
, Width 8.5 ft.
, Depth 1.3 ft.
Upstream Pond: Length 13 ft.
, Width 12 ft.
, Depth 1.9 ft.
Riffle Information
Water Depth: 0.9 ft.
Bankfull Width: 7 ft.
Wetted Width: 4.3 ft.
Water Velocity: 1 ft./sec.
(Measured with Float Test)
Dominant Substrate: Gravel
Road Information
Gravel
County Road
Road Condition: Poor
Road Width at Culvert: 12 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1.3 ft.
Slope: More than 1:2
Downstream
Fill Depth: 1.3 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 265 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.446
Erosion: 0.3907 tons/year
Right Approach
Length: 0 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.26
Erosion: 0 tons/year
Erosion Information
Total Erosion at Crossing: 0.3907 tons/year
Summary Information
Fish Passability 0.9
These non-native species were observerd at this site: Glossy Buckthorn