Road Stream Crossing Site PM_O005

Pere Marquette River Watershed, Freeman Creek
192nd Ave
Colfax Twp, Oceana County
Information collected by:
Site Location
GPS Coordinates: 43.74027 , -86.07818
T16N R15W Sec 34
Owned by Private
Fish Passability 0
Perch Height: 0.2 ft.
Total Erosion: 1.5556 tons/year
Severity: Severe
Year Inventoried: 2014
Inlet
Outlet
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: Freefall into Pool
Structure Material: Metal
Structure Substrate: None
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 50 ft. , Width 2.5 ft. , Height 2.5 ft.
Perch Height: 0.2 ft.
Structure Inlet
Water Depth: 0.25 ft.
Water Velocity*: 0.7 ft./sec.
Structure Outlet
Water Depth: 0.2 ft.
Water Velocity*: 0.9 ft./sec.
*Water Velocities were measured 0.2 ft. below Surface (with Meter)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 0.2 ft.
Bankfull Width: 5 ft.
Wetted Width: 4.5 ft.
Water Velocity: 0.4 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel County Road
Road Condition: Good
Road Width at Culvert: 19 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2 ft.
Slope: 1:2
Downstream
Fill Depth: 2.1 ft.
Slope: 1:2
Approaches
Left Approach
Length: 290 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.456
Erosion: 0.6922 tons/year
Right Approach
Length: 350 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.47
Erosion: 0.861 tons/year
Erosion Information
Total Erosion at Crossing: 1.5556 tons/year
Extent of Erosion: Minor
Location of Erosion
Erosion Dimensions
Eroded Material
Material Eroded
Total Erosion
facing downstream
Length
Width
Depth
Reaching Stream?
(tons/year)
Right Upstream Embankment
5 ft.
1 ft.
0.5 ft.
yes
Sandy Loam
0.0024
Summary Information
Fish Passability 0