Road Stream Crossing Site PM_N025
Pere Marquette River Watershed, Tank Creek
11 Mile Rd
Merrill Twp,
Newaygo County
Information collected by:
Site Location
GPS Coordinates: 43.71297
, -85.89886
T15N
R13W
Sec 5
Owned by Federal
Fish Passability 0.9
Total Erosion: 0.0165 tons/year
Severity: Minor
Year Inventoried: 2014
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: Bridge
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Wingwall 30-70 Degree
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Mixture
General Conditions: New
Structure Interior: smooth
Dimensions of Structure: Length 47 ft.
, Width 16 ft.
, Height 5 ft.
Structure Inlet
Water Depth: 0.6 ft.
Water Velocity*: 1.2 ft./sec.
Structure Outlet
Water Depth: 0.4 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: 0.4 ft.
Bankfull Width: 21 ft.
Wetted Width: 20 ft.
Water Velocity: 0.8 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 25 ft.
Location of Low Point: Other
Runoff Path: Ditch
Approaches
Left Approach
Length: 200 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0083 tons/year
Right Approach
Length: 200 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0083 tons/year
Erosion Information
Total Erosion at Crossing: 0.0165 tons/year
Summary Information
Fish Passability 0.9
These non-native species were observerd at this site: Spotted Knapweed