Road Stream Crossing Site PM_N045
Pere Marquette River Watershed, Little South Branch
Walnut Ave
Home Twp,
Newaygo County
Information collected by:
Site Location
GPS Coordinates: 43.76149
, -85.76181
T16N
R12W
Sec 21
Owned by Private
Fish Passability 0.9
Total Erosion: 1.3057 tons/year
Severity: Moderate
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: Pipe Arch
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Mixture
General Conditions: Good
Multiple Culverts/Spans | ||||
Culvert/Span | Width | Length | Height | Material |
1 |
9.5 ft. |
62 ft. |
6 ft. |
Metal |
2 |
9.5 ft. |
62 ft. |
6 ft. |
Metal |
Structure Interior: corrugated
Dimensions of Structure: Length 62 ft.
, Width 9.5 ft.
, Height 6 ft.
Structure Inlet
Water Depth: 0.9 ft.
Water Velocity*: 1.1 ft./sec.
Structure Outlet
Water Depth: 0.8 ft.
Water Velocity*: 1 ft./sec.
*Water Velocities were measured 0.8 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Bankfull
Riffle Information
Water Depth: 0.6 ft.
Bankfull Width: 24 ft.
Wetted Width: 24 ft.
Water Velocity: 0.9 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 32 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 1 ft.
Slope: 1:2
Downstream
Fill Depth: 1.5 ft.
Slope: 1:2
Approaches
Left Approach
Length: 300 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.46
Erosion: 1.2165 tons/year
Right Approach
Length: 200 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0882 tons/year
Erosion Information
Total Erosion at Crossing: 1.3057 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) | |
Left Downstream Streambank |
2 ft. |
2 ft. |
0.5 ft. |
yes |
Gravelly Loam |
0.001 |
Summary Information
Fish Passability 0.9