Road Stream Crossing Site PM_N054

Pere Marquette River Watershed, Beaver Creek
10 Mile Rd
Beaver Twp, Newaygo County
Information collected by:
Site Location
GPS Coordinates: 43.69829 , -85.95353
T15N R14W Sec 11
Owned by Private
Fish Passability 0.9
Total Erosion: 1.0135 tons/year
Severity: Moderate
Year Inventoried: 2014
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: Sand
General Conditions: Poor
Dimensions of Structure: Length 16 ft. , Width 36 ft. , Height 6.5 ft.
Structure Inlet
Water Depth: 1.1 ft.
Water Velocity*: 0.4 ft./sec.
Structure Outlet
Water Depth: 1.1 ft.
Water Velocity*: 0.4 ft./sec.
*Water Velocities were measured 1.1 ft. below Surface (with Meter)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 1.1 ft.
Bankfull Width: 24 ft.
Wetted Width: 23 ft.
Water Velocity: 0.5 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Native Surface County Road (Seasonal)
Road Condition: Fair
Road Width at Culvert: 11 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Left Approach
Length: 180 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.186
Erosion: 0.6469 tons/year
Right Approach
Length: 270 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.448
Erosion: 0.3665 tons/year
Erosion Information
Total Erosion at Crossing: 1.0135 tons/year
Summary Information
Fish Passability 0.9