Road Stream Crossing Site CLHW_BC-025

Big Creek Watershed, Unnamed Drain to Big Creek
W Conner Rd
Mason Twp, Arenac County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.10593 , -83.84766
T20N R5E Sec 27
Owned by Private
Structure is NOT Perched
Total Erosion: 0.0599 tons/year
Severity: Minor
Year Inventoried: 2016
Site ID
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Pipe Arch
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Poor
Structure Interior: corrugated
Structure is Rusted through
Dimensions of Structure: Length 36 ft. , Width 5.8 ft. , Height 4.7 ft.
Percentage Crushed: Inlet: 0% Outlet: 1% to 25% In Pipe: 76% to 100%
Structure is NOT Perched
Structure Inlet
Water Depth: 0.8 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 0.5 ft./sec.
Structure Outlet
Water Depth: 0.7 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 0.5 ft./sec.
*Water Velocities were measured at the Surface (with Float Test)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Road Information
Gravel County Road
Road Condition: Poor
Road Width at Culvert: 21 ft.
Location of Low Point: Other
Runoff Path: Ditch
Fill Depth: 3.5 ft.
Slope: More than 1:2
Fill Depth: 5.1 ft.
Slope: 1:2
Left Approach
Length: 34 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.304
Erosion: 0.0599 tons/year
Right Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Erosion Information
Total Erosion at Crossing: 0.0599 tons/year
Summary Information