Road Stream Crossing Site PM_M131
Pere Marquette River Watershed, Lichte Creek tributary
Chauvez Rd
Riverton Twp,
Mason County
Information collected by:
Site Location
GPS Coordinates: 43.90566
, -86.36457
T18N
R17W
Sec 32
Owned by Private
Fish Passability 0
Perch Height: 3 ft.
Total Erosion: 0.2951 tons/year
Severity: Severe
Year Inventoried: 2014
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Headwall
Outlet Type: Freefall into Pool
Structure Material: Metal
Structure Substrate: None
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 60 ft.
, Width 3 ft.
, Height 3 ft.
Perch Height: 3 ft.
Structure Inlet
Water Depth: 0.2 ft.
Water Velocity*: 0.8 ft./sec.
Structure Outlet
Water Depth: 0.1 ft.
Water Velocity*: 2.8 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
Additional Comments
culvert is not inline with the stream channel
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 8 ft.
, Width 8 ft.
, Depth 1.2 ft.
Riffle Information
Water Depth: 0.3 ft.
Bankfull Width: 4 ft.
Wetted Width: 2 ft.
Water Velocity: 0.9 ft./sec.
(Measured with Meter)
Dominant Substrate: Organics
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 26 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 20 ft.
Slope: 1:1
Downstream
Fill Depth: 20 ft.
Slope: 1:1
Approaches
Left Approach
Length: 180 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.418
Erosion: 0.0647 tons/year
Right Approach
Length: 200 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0086 tons/year
Erosion Information
Total Erosion at Crossing: 0.2951 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 |
10 ft. |
8 ft. |
2 ft. |
yes |
Loam |
0.1232 |
Right Downstream Embankment |
8 ft. |
8 ft. |
2 ft. |
yes |
Loam |
0.0986 |
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site.
A future visit to this site is recommended. erosion and perched outlet