Road Stream Crossing Site LTB-053
Little Traverse Bay Watershed, Unknown tributary
Beach Dr
Harbor Springs,
Emmet County
Information collected by:
Site Location
GPS Coordinates: 45.42929347
, -84.9771414
Owned by Private
Fish Passability 0
Perch Height: 0.3 ft.
Total Erosion: 0.1323 tons/year
Severity: Severe
Year Inventoried: 2014
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Other
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: Sand
General Conditions: Poor
Structure Interior: corrugated
Structure is Rusted through
Dimensions of Structure: Length 75 ft.
, Width 1.5 ft.
, Height 1.5 ft.
Percentage Plugged:
Inlet: 76% to 100%
Outlet: 1% to 25%
Perch Height: 0.3 ft.
Structure Inlet
Water Depth: 0.2 ft.
Embedded Depth of Structure: 1 ft.
Water Velocity*: 0.2 ft./sec.
Structure Outlet
Water Depth: 0.083 ft.
Embedded Depth of Structure: 0.083 ft.
Water Velocity*: 0.15 ft./sec.
*Water Velocities were measured 0.12 ft. below Surface
(with Meter)
Additional Comments
last house on beach dr by dr walstroms. Old site ID: LTB-1.
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 6 ft.
, Width 4 ft.
, Depth 0.6 ft.
Riffle Information
Water Depth: 0.2 ft.
Wetted Width: 1.5 ft.
Water Velocity: 0.16 ft./sec.
(Measured with Meter)
Dominant Substrate: Organics
Road Information
Paved
Town Road
Road Condition: Good
Road Width at Culvert: 29 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 3 ft.
Slope: Vertical
Downstream
Fill Depth: 2 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 300 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.46
Erosion: 0.1323 tons/year
Right Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Erosion Information
Total Erosion at Crossing: 0.1323 tons/year
Extent of Erosion: Stabilized
Summary Information
Fish Passability 0
A future visit to this site is recommended. poor culvert condition (90% plugged at inlet) and INVASIVES
These non-native species were observerd at this site: Purple Loosestrife (everywhere)