Road Stream Crossing Site LTB-128
Little Traverse Bay Watershed, Unknown tributary of Bear River
Evergreen Trail
Bear Creek Twp,
Emmet County
Information collected by:
Site Location
GPS Coordinates: 45.3080516
, -84.89935771
Fish Passability 0
Perch Height: 0.167 ft.
Total Erosion: 0.0278 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 onto Riprap
Structure Material: Metal
Structure Substrate: None
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 80 ft.
, Width 2.2 ft.
, Height 2.2 ft.
Percentage Plugged:
Inlet: 1% to 25%
In Pipe: 1% to 25%
Percentage Crushed:
In Pipe: 1% to 25%
Perch Height: 0.167 ft.
Structure Inlet
Water Depth: 0.083 ft.
Embedded Depth of Structure: 0.25 ft.
Water Velocity*: 0.2 ft./sec.
Structure Outlet
Water Depth: 0.083 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.4 ft./sec.
*Water Velocities were measured 0.04 ft. below Surface
(with Meter)
Additional Comments
Old site ID: UT-12.
Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 0.3 ft.
Bankfull Width: 4 ft.
Wetted Width: 1.42 ft.
Water Velocity: 0.2 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 28 ft.
Location of Low Point: Other
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 10 ft.
Slope: 1:1.5
Downstream
Fill Depth: 10 ft.
Slope: 1:2
Approaches
Left Approach
Length: 250 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0116 tons/year
Right Approach
Length: 350 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0162 tons/year
Erosion Information
Total Erosion at Crossing: 0.0278 tons/year
Extent of Erosion: Stabilized
Summary Information
Fish Passability 0