Road Stream Crossing Site MAN_KA_005

Big Manistee River Watershed, Unknown (tributary to Manistee River)
Tower Rd
Cold Springs Twp, Kalkaska County
Information collected by:
Site Location
GPS Coordinates: 44.79368 , -84.97619
T28N R6W Sec 25
Owned by Private
Structure is NOT Perched
Total Erosion: 3.9224 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: At Stream Grade
Structure Material: Metal
Structure Substrate: Mixture
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 34 ft. , Width 1.2 ft. , Height 1.2 ft.
Percentage Plugged: Inlet: 1% to 25% Outlet: 51% to 75% In Pipe: 0%
Structure is NOT Perched
Water Depth: 0 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 0 ft./sec.
Water Depth: 0 ft.
Embedded Depth of Structure: 0.7 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured at the 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 ft.
Bankfull Width: 0 ft.
Wetted Width: 0 ft.
Water Velocity: 0 ft./sec. (Measured with Meter)
Dominant Substrate: Organics
Road Information
Gravel County Road
Road Condition: Good
Road Width at Culvert: 24 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 1.6 ft.
Slope: More than 1:2
Downstream
Fill Depth: 2.4 ft.
Slope: 1:2
Approaches
Left Approach
Length: 775 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.546
Erosion: 2.799 tons/year
Right Approach
Length: 360 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.472
Erosion: 1.1234 tons/year
Erosion Information
Total Erosion at Crossing: 3.9224 tons/year
Extent of Erosion: Moderate
Summary Information
Erosion is an area of concern for this site.

Yes, to alleviate plugged culvert.

A future visit to this site is recommended.

Yes, to clear culvert openings.