Road Stream Crossing Site P095
Pine River Watershed, Coe Creek
7 Mile Rd
Dover Twp,
Lake County
Information collected by:
Site Location
GPS Coordinates: 44.0892
, -85.57801
T20N
R11W
Sec 25
Owned by Private
Structure is NOT Perched
Total Erosion: 1.4488 tons/year
Severity: Severe
Year Inventoried: 2014
Site ID
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: Bridge
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Other
Outlet Type: Cascade over Riprap
Structure Material: Concrete
Structure Substrate: Mixture
General Conditions: Fair
Structure Interior: smooth
Dimensions of Structure: Length 20 ft.
, Width 20 ft.
, Height 7 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1 ft./sec.
Structure Outlet
Water Depth: 0.6 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 3.7 ft./sec.
*Water Velocities were measured 0.5 ft. below Surface
(with Meter)
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: 0.4 ft.
Bankfull Width: 15 ft.
Wetted Width: 13 ft.
Water Velocity: 2.1 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Gravel
County Road
Road Condition: Fair
Road Width at Culvert: 18 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: 150 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.4
Erosion: 0.2975 tons/year
Right Approach
Length: 470 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.494
Erosion: 1.1513 tons/year
Erosion Information
Total Erosion at Crossing: 1.4488 tons/year
Extent of Erosion: Moderate
Summary Information
Fish Passage is an area of concern for this site.
Yes, to monitor structural strength of culvert/bridge.