Road Stream Crossing Site PM_M128

Pere Marquette River Watershed, Lichte Creek
Morton Rd
Riverton Twp, Mason County
Information collected by:
Site Location
GPS Coordinates: 43.90939 , -86.35901
T18N R17W Sec 33
Owned by Private
Fish Passability 0.9
Total Erosion: 5.7933 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: 1
Structure Shape: Pipe Arch
Inlet Type: Apron
Outlet Type: Outlet Apron
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 78 ft. , Width 7 ft. , Height 4.5 ft.
Structure Inlet
Water Depth: 0.6 ft.
Water Velocity*: 0.8 ft./sec.
Structure Outlet
Water Depth: 0.3 ft.
Water Velocity*: 0.6 ft./sec.
*Water Velocities were measured 0.5 ft. below Surface (with Meter)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 0.4 ft.
Bankfull Width: 9 ft.
Wetted Width: 8 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: 18 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 1 ft.
Slope: More than 1:2
Downstream
Fill Depth: 1 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 240 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.302
Erosion: 1.5495 tons/year
Right Approach
Length: 510 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.646
Erosion: 4.1613 tons/year
Erosion Information
Total Erosion at Crossing: 5.7933 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 Approach
510 ft.
2 ft.
0.1 ft.
no
Sand
0.0561
Left Approach
240 ft.
1 ft.
0.1 ft.
no
Sand
0.0264
Summary Information
Fish Passability 0.9
These non-native species were observerd at this site: Knapweed