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

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

Survey Id: 98709 Crossing Code: xy4065123375033999
AOP Coarse Screen: No AOP NAACC Aquatic Passability Score: 0.04

Data checked and accurate by David Hsu on 10-26-2023

Non-tidal Aquatic Connectivity Crossing Data

Database Entry By: Adam Bunger

Entry Date: 10-03-2023

Coordinator: Adam Bunger

Last Updated: 10-03-2023

GPS to Crossing Distance (meters): 59.3

NHD-HUC8 Watershed: Middle Delaware-Musconetcong

Crossing Code: xy4065123375033999

Local ID: No data

Date Observed: 07-31-2023

Lead Observer: Adam Bunger

Town/County: Bethlehem Township, NJ

Stream/River: West Portal Creek

Road: I-78 and Tunnel Rd

Type: Multilane road (>2 lanes)

GPS: Lat: 40.65105, Long: -75.03334

Location Description: Bushwack down to streamway from NW side of Tunel Rd past overpass

Crossing Type: Culvert

Number of Culverts/Bridge Cells: 1

Flow Condition: Typical low-flow

Crossing Condition: OK

Tidal Site: No

Alignment: Skewed (>45°)

Road Fill Height (feet) : 100

Bankfull Width (feet): No data

Bankfull Width Confidence: No data

Constriction: Moderate

Tailwater Scour Pool: Large

Crossing Comments: Crossing runs below Tunnel Rd., paved, and I-78, multilane. Road fill height estimated.

Evaluation of this stream crossing is estimated as: SEVERE BARRIER

Non-tidal Aquatic Connectivity Structure Data

Total Number of Culverts: 1

This is culvert number 1 for this crossing:

Outlet Openness Ratio: 0.036

Structure Material: Concrete

Outlet Shape: Pipe Arch/Elliptical Culvert

Outlet Armoring: Not Extensive

Outlet Grade: Free Fall Onto Cascade

Outlet dimensions (feet): A = 12.1; B = 16.0; C= 2.0; D = 1.20 ; E= No data

Outlet drop to water surface (feet): 1.9

Outlet drop to stream bottom (feet): 2.8

Structure Length: L = 450.0 Feet

Inlet Openness Ratio: 0.043

Inlet Shape: Pipe Arch/Elliptical Culvert

Inlet Type: Headwall and Wingwalls

Inlet Grade: Perched

Inlet dimensions (feet): A = 12.2; B = 15.4; C = 2.5; D = 0.10

Slope Percent: No data

Slope Confidence: No data

Internal Structures: None

Internal Structures Comment: No data

Structure Substrate Matches Stream: None

Structure Substrate Type: None

Structure Substrate Coverage: None

Physical Barriers: None

Severity: None

Water depth matches that of the stream? No-Shallower

Water velocity matches that of the stream? Yes

Dry passage through structure? Yes

Height above dry passage: 14.3 Feet

Structure Comments: No data

Inlet Shape:

Outlet Shape: