Road Stream Crossing Site LTB-017
Little Traverse Bay Watershed, Five Mile Creek
Geary
Friendship Twp,
Emmet County
Information collected by:
Site Location
GPS Coordinates: 45.48247155
, -85.06688123
Fish Passability 0
Perch Height: 0.5 ft.
Total Erosion: 6.3339 tons/year
Severity: Severe
Year Inventoried: 2014
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Other
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: Sand
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 37 ft.
, Width 2 ft.
, Height 2 ft.
Percentage Plugged:
Inlet: 26% to 50%
Outlet: 0%
In Pipe: 0%
Perch Height: 0.5 ft.
Structure Inlet
Water Depth: 1.33 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.4 ft./sec.
Structure Outlet
Water Depth: 0.42 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 5.2 ft./sec.
(with Meter)
Additional Comments
Old site ID: FM-1.
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 6 ft.
, Width 5 ft.
, Depth 12.5 ft.
Upstream Pond: Length 5 ft.
, Width 5 ft.
Riffle Information
Water Depth: 0.48 ft.
Bankfull Width: 8 ft.
Wetted Width: 2.83 ft.
Water Velocity: 1.5 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 23 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 3 ft.
Slope: 1:1.5
Downstream
Fill Depth: 2.5 ft.
Slope: Vertical
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 3.6116 tons/year
Right Approach
Length: 200 ft.
Slope: 1% to 5%
Vegetation: None
LS Factor: 0.57
Erosion: 0.7223 tons/year
Erosion Information
Total Erosion at Crossing: 6.3339 tons/year
Extent of Erosion: Severe
Notes: Flowing down enbankment from road, across stream.
Location of Erosion | Erosion Dimensions | Eroded Material | Material Eroded | Total Erosion | ||
facing downstream | Length | Width | Depth | Reaching Stream? | (tons/year) | |
Left Downstream Embankment |
20 ft. |
4 ft. |
5 ft. |
yes |
Gravel |
2 |
Summary Information
Fish Passability 0
Erosion is an area of concern for this site.
Perched culvert makes fish passage difficult; erosion.