Road Stream Crossing Site TW026
Tawas River Watershed, Tributary to Tawas River
Kobs Rd
Tawas Twp,
Iosco County
Information collected by:
Site Location
GPS Coordinates: 44.26478
, -83.56249
T22N
R07E
Sec 34,35
Owned by Private
Fish Passability 0
Perch Height: 0.2 ft.
Total Erosion: 0.4464 tons/year
2 Upstream Miles
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: Projecting
Outlet Type: Freefall into Pool
Structure Material: Metal
Structure Substrate: None
General Conditions: Poor
Structure Interior: corrugated
Dimensions of Structure: Length 50 ft.
, Width 3 ft.
, Height 3 ft.
Perch Height: 0.2 ft.
Structure Inlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
Structure Outlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.5 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 32 ft.
, Width 9.5 ft.
, Depth 1.7 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 0.1 ft.
Bankfull Width: 120 ft.
Wetted Width: 2 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: More than 1:2
Downstream
Fill Depth: 2 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 240 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.438
Erosion: 0.0695 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: 0.4464 tons/year
Summary Information
Fish Passability 0
2 Upstream Miles
Fish Passage is an area of concern for this site.
Culvert is in bad condition
A future visit to this site is recommended. To check the condition of the culvert