Road Stream Crossing Site TW005

Tawas River Watershed, Loud Creek
Wilber Rd
Wilber Twp, Iosco County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.41407 , -83.52326
T23N R08E Sec 6
Owned by Federal
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 7.4591 tons/year
Severity: Severe
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: Apron
Outlet Type: Outlet Apron
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 60 ft. , Width 4 ft. , Height 4 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.6 ft.
Embedded Depth of Structure: 0.5 ft.
Water Velocity*: 0.9 ft./sec.
Structure Outlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 0.8 ft.
Water Velocity*: 1.4 ft./sec.
*Water Velocities were measured at the 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: 32 ft.
Wetted Width: 12 ft.
Water Velocity: 0.4 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel County Road
Road Condition: Fair
Road Width at Culvert: 16 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 6.6 ft.
Slope: More than 1:2
Downstream
Fill Depth: 6 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 550 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.688
Erosion: 4.0909 tons/year
Right Approach
Length: 475 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.609
Erosion: 3.3682 tons/year
Erosion Information
Total Erosion at Crossing: 7.4591 tons/year
Summary Information
Fish Passability 0.9
Erosion is an area of concern for this site. Steep approaches to the crossing on both sides
A future visit to this site is recommended. check for erosion issues
These non-native species were observerd at this site: Spotted Knapweed, mullen, burdock