Road Stream Crossing Site MAN_KA_042

Big Manistee River Watershed, Little Devil Creek
Military Rd
Garfield Twp, Kalkaska County
Information collected by:
Site Location
GPS Coordinates: 44.58323 , -85.05816
T25N R6W Sec 5
Owned by State
Structure is NOT Perched
Total Erosion: 2.4727 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: Open Bottom Square/Rectangle
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Mixture
General Conditions: Fair
Structure Interior: smooth
Dimensions of Structure: Length 24 ft. , Width 11 ft. , Height 3.4 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.1 ft./sec.
Structure Outlet
Water Depth: 1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.1 ft./sec.
*Water Velocities were measured 0.4 ft. below Surface (with Meter)
Stream Information
Stream Flow: 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: 7 ft.
Wetted Width: 5 ft.
Water Velocity: 0.2 ft./sec. (Measured with Meter)
Dominant Substrate: Gravel
Road Information
Gravel County Road
Road Condition: Good
Road Width at Culvert: 22 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 1.6 ft.
Slope: Vertical
Downstream
Fill Depth: 0.8 ft.
Slope: Vertical
Approaches
Left Approach
Length: 360 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.472
Erosion: 1.0298 tons/year
Right Approach
Length: 480 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.496
Erosion: 1.4429 tons/year
Erosion Information
Total Erosion at Crossing: 2.4727 tons/year
Extent of Erosion: Moderate
Summary Information
Erosion is an area of concern for this site.