Road Stream Crossing Site TW030

Tawas River Watershed, Tributary to Tawas River
Meadow Rd
Tawas Twp, Iosco County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.2657 , -83.55362
T22N R07E Sec 26,35
Fish Passability 1
Structure is NOT Perched
Total Erosion: 0.7537 tons/year
Severity: Minor
Year Inventoried: 2012
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: Mitered
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 50 ft. , Width 10.7 ft. , Height 7.2 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 2 ft.
Embedded Depth of Structure: 1.6 ft.
Water Velocity*: 0 ft./sec.
Structure Outlet
Water Depth: 1.7 ft.
Embedded Depth of Structure: 1.8 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured 1 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: 0.5 ft.
Bankfull Width: 15 ft.
Wetted Width: 3 ft.
Water Velocity: 0.2 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 20 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2 ft.
Slope: Vertical
Downstream
Fill Depth: 2 ft.
Slope: Vertical
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.3769 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.3769 tons/year
Erosion Information
Total Erosion at Crossing: 0.7537 tons/year
Summary Information
Fish Passability 1