Road Stream Crossing Site PM_N027

Pere Marquette River Watershed, Tank Creek tributary
Merrill Twp, Newaygo County
Information collected by:
Site Location
GPS Coordinates: 43.70282 , -85.87499
T15N R13W Sec 9
Owned by Private
Fish Passability 0.9
Total Erosion: 0.2789 tons/year
Severity: Minor
Year Inventoried: 2014
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 30 ft. , Width 3 ft. , Height 3 ft.
Structure Inlet
Water Depth: 0.7 ft.
Water Velocity*: 0.9 ft./sec.
Structure Outlet
Water Depth: 0.6 ft.
Water Velocity*: 0.9 ft./sec.
*Water Velocities were measured 0.5 ft. below Surface (with Meter)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 0.2 ft.
Bankfull Width: 8 ft.
Wetted Width: 6 ft.
Water Velocity: 1.2 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel County Road
Road Condition: Fair
Road Width at Culvert: 15 ft.
Location of Low Point: Other
Runoff Path: Roadway
Fill Depth: 1 ft.
Slope: 1:1
Fill Depth: 0.8 ft.
Slope: 1:1
Left Approach
Length: 150 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.031 tons/year
Right Approach
Length: 150 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.4
Erosion: 0.2479 tons/year
Erosion Information
Total Erosion at Crossing: 0.2789 tons/year
Summary Information
Fish Passability 0.9