Road Stream Crossing Site RIF_OG38

Rifle River Watershed, Skunk Creek
Wiltse Rd
Cumming Twp, Ogemaw County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.39546 , -84.00526
T23N R3E Sec 12
Fish Passability 0
Perch Height: 0.2 ft.
Total Erosion: 6.2672 tons/year
Severity: Severe
Year Inventoried: 2012
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: Freefall into Pool
Structure Material: Metal
Structure Substrate: None
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 40 ft. , Width 2 ft. , Height 2 ft.
Perch Height: 0.2 ft.
Structure Inlet
Water Depth: 0.8 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.3 ft./sec.
Structure Outlet
Water Depth: 0.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.3 ft./sec.
(with Float Test)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 21.6 ft. , Width 18 ft. , Depth 1.9 ft.
Upstream Pond: Length 0.2 ft. , Width 5.6 ft. , Depth 4.1 ft.
Riffle Information
Water Depth: 0.2 ft.
Bankfull Width: 5.6 ft.
Wetted Width: 4.1 ft.
Water Velocity: 0.6 ft./sec. (Measured with Float Test)
Dominant Substrate: Sand
Road Information
Sand County Road
Road Condition: Fair
Road Width at Culvert: 23 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1.7 ft.
Slope: 1:2
Downstream
Fill Depth: 1 ft.
Slope: 1:2
Approaches
Left Approach
Length: 742 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.541
Erosion: 2.5449 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 3.6116 tons/year
Erosion Information
Total Erosion at Crossing: 6.2672 tons/year
Extent of Erosion: Moderate
Location of Erosion
Erosion Dimensions
Eroded Material
Material Eroded
Total Erosion
facing downstream
Length
Width
Depth
Reaching Stream?
(tons/year)
Right Upstream
6.8 ft.
4.1 ft.
1.2 ft.
yes
Sand
0.0628
Right Downstream
7.8 ft.
13.1 ft.
0.8 ft.
yes
Sand
0.048
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site. perched culvert