Road Stream Crossing Site GTBAY_LEE010
West Bay Shoreline & Tributaries Watershed, Unnamed
Grandview Rd
Elmwood Twp,
Leelanau County
Information collected by:
Site Location
GPS Coordinates: 44.78974113
, -85.64333852
T28N
R11W
Sec 28
Owned by Private
Fish Passability 0
Severity: Severe
Year Inventoried: 2020
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: Sand
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 40.3 ft.
, Width 2.5 ft.
, Height 0.8 ft.
Structure Inlet
Water Depth: 0.75 ft.
Embedded Depth of Structure: 0.25 ft.
Water Velocity*: 8.2 ft./sec.
Structure Outlet
Water Depth: 1.4 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 2.5 ft./sec.
*Water Velocities were measured 1.2 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 7.4 ft.
, Width 4.3 ft.
, Depth 1.4 ft.
Riffle Information
Water Depth: 0.35 ft.
Bankfull Width: 15.3 ft.
Wetted Width: 4.9 ft.
Water Velocity: 6.1 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved
Town Road
Road Condition: Fair
Road Width at Culvert: 28.1 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1 ft.
Slope: Vertical
Downstream
Fill Depth: 1.7 ft.
Slope: 1:1
Length: 907.5 ft.
Slope: 1% to 5%
Erosion Information
Extent of Erosion: Minor
Erosion is occurring and corrective actions can be installed to address the problem.
Location of Erosion | Erosion Dimensions | Eroded Material | Material Eroded | Total Erosion | ||
facing downstream | Length | Width | Depth | Reaching Stream? | (tons/year) | |
Left Upstream Embankment |
1.4 ft. |
1.2 ft. |
1.4 ft. |
yes |
Sand |
0.0022 |
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site.
Pool created by logs/rocks make for harder acess. Erosion present.