Road Stream Crossing Site AGOG015

Au Gres River Watershed, Johnson Creek
Sage Lake Rd
Richland Twp, Ogemaw County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.19495 , -83.9249
T21N R4E Sec 22 & 23
Owned by Private
Fish Passability 0
Perch Height: 0.2 ft.
Total Erosion: 0.3594 tons/year
Severity: Severe
Year Inventoried: 2014
Site ID
Inlet
Outlet
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: Mitered
Outlet Type: Freefall into Pool
Structure Material: Metal
Structure Substrate: Gravel
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 75 ft. , Width 11.7 ft. , Height 7.4 ft.
Perch Height: 0.2 ft.
Structure Inlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.7 ft./sec.
Structure Outlet
Water Depth: 0.2 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 1.1 ft./sec.
*Water Velocities were measured 0.1 ft. below Surface (with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 0 ft. , Width 0 ft. , Depth 0 ft.
Upstream Pond: Length 0 ft. , Width 0 ft. , Depth 0 ft.
Riffle Information
Water Depth: 1 ft.
Bankfull Width: 19 ft.
Wetted Width: 8 ft.
Water Velocity: 0.2 ft./sec. (Measured with Meter)
Dominant Substrate: Gravel
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 36 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 3.4 ft.
Slope: More than 1:2
Downstream
Fill Depth: 3.7 ft.
Slope: 1:2
Approaches
Left Approach
Length: 400 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.48
Erosion: 0.2285 tons/year
Right Approach
Length: 250 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.44
Erosion: 0.1309 tons/year
Erosion Information
Total Erosion at Crossing: 0.3594 tons/year
Notes: None
Summary Information
Fish Passability 0