Display NAACC Non-tidal Aquatic Connectivity (after 6/1/2015) Data

Data Set: NAACC (after 6/1/2015)

Survey Id: 101660 Crossing Code: xy4103973973690212
AOP Coarse Screen: Full AOP NAACC Aquatic Passability Score: 0.78

Data checked and accurate by Megan Lung on 06-07-2024

Non-tidal Aquatic Connectivity Crossing Data

Database Entry By: Megan Lung

Entry Date: 05-31-2024

Coordinator: Megan Lung

Last Updated: 06-07-2024

GPS to Crossing Distance (meters): 18.0

NHD-HUC8 Watershed: Saugatuck

Crossing Code: xy4103973973690212

Local ID: No data

Date Observed: 05-31-2024

Lead Observer: Sarah Thong

Town/County: Harrison, NY

Stream/River: Blind Brook

Road: Anderson Hill Road

Type: Paved

GPS: Lat: 41.03987, Long: -73.69034

Location Description: Main stem by golf course entrance 880 Anderson Hill road

Crossing Type: Bridge

Number of Culverts/Bridge Cells: 1

Flow Condition: Typical low-flow

Crossing Condition: OK

Tidal Site: No

Alignment: Flow-Aligned

Road Fill Height (feet) : 4.3

Bankfull Width (feet): 26.8

Bankfull Width Confidence: Low/Estimated

Constriction: Moderate

Tailwater Scour Pool: Large

Crossing Comments: Id: 3358610, undercutting on upstream banks. Fish present. Sewer line at outlet 12 ft from structure

Evaluation of this stream crossing is estimated as: MINOR BARRIER

Non-tidal Aquatic Connectivity Structure Data

Total Number of Culverts: 1

This is culvert number 1 for this crossing:

Outlet Openness Ratio: 2.856

Structure Material: Concrete

Outlet Shape: Box/Bridge with Abutments

Outlet Armoring: None

Outlet Grade: At Stream Grade

Outlet dimensions (feet): A = 20.1; B = 10.8; C= 20.1; D = 3.10 ; E= No data

Outlet drop to water surface (feet): 0.0

Outlet drop to stream bottom (feet): 0.0

Structure Length: L = 54.2 Feet

Inlet Openness Ratio: 2.609

Inlet Shape: Bridge with Side Slopes

Inlet Type: Headwall

Inlet Grade: At Stream Grade

Inlet dimensions (feet): A = 20.2; B = 8.8; C = 20.2; D = 1.80

Slope Percent: No data

Slope Confidence: No data

Internal Structures: Other

Internal Structures Comment: 3 drainage pipes

Structure Substrate Matches Stream: Contrasting

Structure Substrate Type: Boulder

Structure Substrate Coverage: 100%

Physical Barriers: None

Severity: None

Water depth matches that of the stream? No-Deeper

Water velocity matches that of the stream? No-Slower

Dry passage through structure? No

Height above dry passage: No data

Structure Comments: No data

Inlet Shape:

Outlet Shape: