Road Stream Crossing Site TBW_TBOS77
Thunder Bay River Watershed, Unnamed tributary of Marsh Creek
Perch Lake Road
Clinton Twp,
Oscoda County
Information collected by:
Site Location
GPS Coordinates: 44.797476
, -84.008743
T28N
R4E
Sec 19
Fish Passability 1
Structure is NOT Perched
Total Erosion: 2.2993 tons/year
Severity: Moderate
Year Inventoried: 2017
Site ID
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: Ellipse
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Mixture
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 48 ft.
, Width 4.6 ft.
, Height 3.3 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 1.2 ft.
Water Velocity*: 1.6 ft./sec.
Structure Outlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 1.3 ft.
Water Velocity*: 0.3 ft./sec.
*Water Velocities were measured 0.1 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Bankfull
Riffle Information
Water Depth: 0.4 ft.
Bankfull Width: 6 ft.
Wetted Width: 4.6 ft.
Water Velocity: 0.2 ft./sec.
(Measured with Meter)
Dominant Substrate: Silt
Road Information
Sand
County Road
Road Condition: Fair
Road Width at Culvert: 15 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 1.6 ft.
Slope: More than 1:2
Downstream
Fill Depth: 2.2 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 577 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.515
Erosion: 1.2289 tons/year
Right Approach
Length: 515 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.503
Erosion: 1.0704 tons/year
Erosion Information
Total Erosion at Crossing: 2.2993 tons/year
Extent of Erosion: Minor
Erosion is occurring and corrective actions can be installed to address the problem.
Summary Information
Fish Passability 1