Road Stream Crossing Site MAN_KA_025
Big Manistee River Watershed, Willow Creek
Spencer Rd
Orange Twp,
Kalkaska County
Information collected by:
Site Location
GPS Coordinates: 44.6411
, -85.10936
T26N
R7W
Sec 13
Owned by Private
Structure is NOT Perched
Total Erosion: 0.7345 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: 1
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Mixture
General Conditions: Fair
Structure Interior: smooth
Dimensions of Structure: Length 63 ft.
, Width 2.4 ft.
, Height 2.4 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.5 ft./sec.
Structure Outlet
Water Depth: 1.2 ft.
Embedded Depth of Structure: 0.4 ft.
Water Velocity*: 0.3 ft./sec.
*Water Velocities were measured 0.7 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 0.4 ft.
Bankfull Width: 15 ft.
Wetted Width: 6 ft.
Water Velocity: 0.4 ft./sec.
(Measured with Meter)
Dominant Substrate: Organics
Road Information
Paved
County Road
Road Condition: Fair
Road Width at Culvert: 22 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 6.2 ft.
Slope: More than 1:2
Downstream
Fill Depth: 5 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 800 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.55
Erosion: 0.32 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.4145 tons/year
Erosion Information
Total Erosion at Crossing: 0.7345 tons/year
Extent of Erosion: Moderate
Summary Information
Erosion is an area of concern for this site.