Road Stream Crossing Site MAN_KA_009

Big Manistee River Watershed, Unknown (tributary to North Branch Manistee)
Grass Lake Rd
Excelsior Twp, Kalkaska County
Information collected by:
Site Location
GPS Coordinates: 44.74027 , -84.98763
T27N R6W Sec 13
Owned by State
Perch Height: 0.4 ft.
Total Erosion: 2.9972 tons/year
Severity: Severe
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: Freefall into Pool
Structure Material: Metal
Structure Substrate: None
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 30 ft. , Width 1.2 ft. , Height 1.2 ft.
Percentage Plugged: Inlet: 26% to 50% Outlet: 0% In Pipe: 0%
Perch Height: 0.4 ft.
Structure Inlet
Water Depth: 0.6 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.1 ft./sec.
Structure Outlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 4.4 ft./sec.
*Water Velocities were measured 0.3 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: 12 ft.
Wetted Width: 4 ft.
Water Velocity: 0.4 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel Other Road (Seasonal)
Road Condition: Fair
Road Width at Culvert: 16 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 1.1 ft.
Slope: More than 1:2
Downstream
Fill Depth: 1 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 250 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.44
Erosion: 0.4848 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 2.5124 tons/year
Erosion Information
Total Erosion at Crossing: 2.9972 tons/year
Extent of Erosion: Moderate
Summary Information
Fish Passage is an area of concern for this site.

Maybe, for fish passage (perched).

A future visit to this site is recommended.

Yes to clean out vegetation on inlet.