Road Stream Crossing Site GTBAY_LEE111
West Bay Shoreline & Tributaries Watershed, Unnamed
Bluewater Dr
Elmwood Twp,
Leelanau County
Information collected by:
Site Location
GPS Coordinates: 44.81450982
, -85.65585539
T27N
R11W
Sec 17
Owned by Private
Total Erosion: 0.0064 tons/year
Severity: Minor
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: Concrete
Structure Substrate: None
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 42.8 ft.
, Width 2.3 ft.
, Height 2.3 ft.
Structure Inlet
Water Depth: 0.4 ft.
Water Velocity*: 3.3 ft./sec.
Structure Outlet
Water Depth: 0.3 ft.
Water Velocity*: 4.1 ft./sec.
*Water Velocities were measured 0.1 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 6.6 ft.
, Width 8.1 ft.
, Depth 0.6 ft.
Road Information
Paved
Private Road
Road Condition: Fair
Road Width at Culvert: 15.9 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 0.35 ft.
Slope: Less than 1:2
Downstream
Fill Depth: 0.9 ft.
Slope: Less than 1:2
Approaches
Left Approach
Length: 25 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0007 tons/year
Right Approach
Length: 25 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0007 tons/year
Erosion Information
Total Erosion at Crossing: 0.0064 tons/year
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 |
1.9 ft. |
2.9 ft. |
2.8 ft. |
yes |
Sandy Loam |
0.0051 |
Summary Information
Fish Passage is an area of concern for this site.
Very shallow water in culvert