Road Stream Crossing Site BT_B110

Betsie River Watershed, Cold Creek
Narrow Gauge Rd
Benzonia Twp, Benzie County
Information collected by:
GPS Coordinates: 44.63241 , -86.06306
T26N R15W Sec 24
Owned by Private
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 0.3772 tons/year
Severity: Moderate
Year Inventoried: 2014
Site Location
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Number of Culverts: 1
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Mixture
General Conditions: Poor
Structure Interior: smooth
Dimensions of Structure: Length 48 ft. , Width 2 ft. , Height 2 ft.
Percentage Plugged: Inlet: 0% Outlet: 76% to 100% In Pipe: 0%
Percentage Crushed: Inlet: 0% Outlet: 1% to 25% In Pipe: 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 0.2 ft.
Embedded Depth of Structure: 0.8 ft.
Water Velocity*: 0.1 ft./sec.
Structure Outlet
Water Depth: 0.1 ft.
Embedded Depth of Structure: 2 ft.
Water Velocity*: 0.1 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: 0.2 ft.
Bankfull Width: 6 ft.
Wetted Width: 3 ft.
Water Velocity: 0.1 ft./sec. (Measured with Meter)
Dominant Substrate: Organics
Road Information
Paved County Road
Road Condition: Fair
Road Width at Culvert: 26 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 2.7 ft.
Slope: More than 1:2
Downstream
Fill Depth: 4 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 350 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.47
Erosion: 0.1414 tons/year
Right Approach
Length: 540 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.508
Erosion: 0.2358 tons/year
Erosion Information
Total Erosion at Crossing: 0.3772 tons/year
Summary Information
Fish Passability 0.5
Fish Passage is an area of concern for this site. Yes, no outlet of culvert could be found/completely filled over.
A future visit to this site is recommended. Yes, to monitor stream water levels/possibly replace very aged culvert.