Road Stream Crossing Site PM_O011

Pere Marquette River Watershed, Beaver Creek
184th Ave
Leavitt Twp, Oceana County
Information collected by:
Site Location
GPS Coordinates: 43.70943 , -86.0989
T15N R15W Sec 10
Owned by Private
Fish Passability 0
Perch Height: 0.3 ft.
Total Erosion: 3.0013 tons/year
Severity: Severe
Year Inventoried: 2014
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 2
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: Freefall into Pool
Structure Material: Metal
Structure Substrate: None
General Conditions: Poor
Structure Interior: corrugated
Structure is Rusted through
Dimensions of Structure: Length 50 ft. , Width 5 ft. , Height 5 ft.
Perch Height: 0.3 ft.
Structure Inlet
Water Depth: 0.8 ft.
Water Velocity*: 0.4 ft./sec.
Structure Outlet
Water Depth: 0.3 ft.
Water Velocity*: 4 ft./sec.
*Water Velocities were measured 0.2 ft. below Surface (with Meter)
Additional Comments
left culvert gets 90% of the flow
Stream Information
Stream Flow: Bankfull
Scour Pool: Length 25 ft. , Width 30 ft. , Depth 2.5 ft.
Riffle Information
Water Depth: 0.3 ft.
Bankfull Width: 12 ft.
Wetted Width: 12 ft.
Water Velocity: 0.7 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel County Road
Road Condition: Good
Road Width at Culvert: 20 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 3.1 ft.
Slope: 1:1.5
Downstream
Fill Depth: 3.2 ft.
Slope: 1:1
Approaches
Left Approach
Length: 400 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.48
Erosion: 1.0579 tons/year
Right Approach
Length: 240 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.302
Erosion: 1.7217 tons/year
Erosion Information
Total Erosion at Crossing: 3.0013 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)
Left Downstream Embankment
6 ft.
2 ft.
1 ft.
yes
Loam
0.037
Left Downstream Streambank
8 ft.
5 ft.
2 ft.
yes
Loam
0.0986
Right Downstream Embankment
7 ft.
2 ft.
2 ft.
yes
Loam
0.0862
Summary Information
Fish Passability 0