Road Stream Crossing Site Mu-012

Muskegon River Watershed, West Branch Muskegon River
Star City
West Branch Twp, Missaukee County
Information collected by:
Site Location
GPS Coordinates: 44.34736 , -84.98481
T23N R6W Sec 36
Owned by Private
Structure is NOT Perched
Total Erosion: 0.2915 tons/year
Severity: Moderate
Year Inventoried: 2014
Site ID
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: Other
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Rock
General Conditions: Poor
Structure Interior: smooth
Dimensions of Structure: Length 30 ft. , Width 17 ft. , Height 7.6 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.6 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.3 ft./sec.
Structure Outlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.2 ft./sec.
*Water Velocities were measured at the Surface (with Meter)
Additional Comments

12.6 ft wide concrete embankment under culvert, right upstream inlet extra 3.5 ft concrete.

Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 1 ft.
Bankfull Width: 12 ft.
Wetted Width: 10.5 ft.
Water Velocity: 0.2 ft./sec. (Measured with Meter)
Dominant Substrate: Clay
Road Information
Paved County Road
Road Condition: Fair
Road Width at Culvert: 22 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Fill Depth: 0 ft.
Slope: Vertical
Fill Depth: 0 ft.
Slope: Vertical
Approaches
Left Approach
Length: 250 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.44
Erosion: 0.08 tons/year
Right Approach
Length: 100 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0036 tons/year
Erosion Information
Total Erosion at Crossing: 0.2915 tons/year
Extent of Erosion: Moderate
Location of Erosion
Erosion Dimensions
Eroded Material
Material Eroded
Total Erosion
facing downstream
Length
Width
Depth
Reaching Stream?
(tons/year)
Right Upstream Streambank
9 ft.
2 ft.
3 ft.
yes
Sand
0.2079
Summary Information
Erosion is an area of concern for this site.
A future visit to this site is recommended.

Very poor structure conditions.