Road Stream Crossing Site E05

Maple River Watershed, West Branch Maple River
Petoskey to Mackinaw Rail Trail
Emmet County
Information collected by:
Site Location
GPS Coordinates: 45.54005 , -84.78358
T36N R4W Sec 3
Owned by Private
Structure is NOT Perched
Total Erosion: 0.0165 tons/year
Severity: Restored
Year Inventoried: 2014
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Other
Crossing Information
Type of Crossing: Bridge
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Other
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Gravel
General Conditions: New
Structure Interior: smooth
Dimensions of Structure: Length 16 ft. , Width 96 ft. , Height 20 ft.
Percentage Plugged: Inlet: 0% Outlet: 0% In Pipe: 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 1.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.5 ft./sec.
Structure Outlet
Water Depth: 1.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.5 ft./sec.
*Water Velocities were measured 0.8 ft. below Surface (with Meter)
Additional Comments

Installed November 2015.

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: 1.6 ft.
Bankfull Width: 32 ft.
Wetted Width: 30 ft.
Water Velocity: 2.6 ft./sec. (Measured with Meter)
Dominant Substrate: Gravel
Road Information
Gravel Other Road
Road Condition: Good
Road Width at Culvert: 14 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: 50 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0083 tons/year
Right Approach
Length: 50 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0083 tons/year
Erosion Information
Total Erosion at Crossing: 0.0165 tons/year
Extent of Erosion: Stabilized
Summary Information
Erosion is an area of concern for this site.

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