Road Stream Crossing Site PM_N048
Pere Marquette River Watershed, Cedar Creek
Osborn Ave
Troy Twp,
Newaygo County
Information collected by:
Site Location
GPS Coordinates: 43.7696
, -85.94987
T16N
R14W
Sec 23
Owned by Private
Fish Passability 0.9
Total Erosion: 0.7975 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: Mitered
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Mixture
General Conditions: Good
Multiple Culverts/Spans | ||||
Culvert/Span | Width | Length | Height | Material |
1 |
8 ft. |
46 ft. |
5 ft. |
Metal |
2 |
8 ft. |
46 ft. |
5 ft. |
Metal |
Structure Interior: corrugated
Dimensions of Structure: Length 46 ft.
, Width 8 ft.
, Height 5 ft.
Structure Inlet
Water Depth: 1.1 ft.
Embedded Depth of Structure: 0.4 ft.
Water Velocity*: 1.1 ft./sec.
Structure Outlet
Water Depth: 1.6 ft.
Embedded Depth of Structure: 0.5 ft.
Water Velocity*: 1 ft./sec.
*Water Velocities were measured 1 ft. below Surface
(with Meter)
Additional Comments
4ft deep pool at outlet 2
Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 1.1 ft.
Bankfull Width: 26 ft.
Wetted Width: 20 ft.
Water Velocity: 1.3 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Sand
County Road
Road Condition: Fair
Road Width at Culvert: 22 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1 ft.
Slope: 1:1.5
Downstream
Fill Depth: 1.5 ft.
Slope: 1:2
Approaches
Left Approach
Length: 200 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0606 tons/year
Right Approach
Length: 230 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.436
Erosion: 0.6078 tons/year
Erosion Information
Total Erosion at Crossing: 0.7975 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 Downstream Embankment |
6 ft. |
2 ft. |
0.5 ft. |
yes |
Loam |
0.0026 |
Right Approach |
230 ft. |
4 ft. |
0.5 ft. |
yes |
Sand |
0.1265 |
Summary Information
Fish Passability 0.9