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Northampton Street Bridge

Northampton Street Bridge

Primary Photographer(s): Nathan Holth and Rick McOmber

Bridge Documented: July 10, 2008 and November 7, 2015

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Facility Carried / Feature Intersected
Northampton Street Over Delaware River
Location
Easton and Phillipsburg: Northampton County, Pennsylvania and Warren County, New Jersey: United States
Construction Date and Builder / Engineer
1896 By Builder/Contractor: Union Bridge Company of Athens, Pennsylvania and Buffalo, New York and Engineer/Design: James Madison Porter III
Rehabilitation Date
2002
Main Span Length
300.0 Feet (91.4 Meters)
Structure Length
560.0 Feet (170.7 Meters)
Roadway Width
32.2 Feet (9.81 Meters)
Spans
3 Main Span(s)
Inventory Number
48730299920005

Historic Significance Rating (HSR)
View Information About HSR Ratings

Bridge Documentation

2021 Update: The Delaware River Joint Toll Bridge is continuing its committment to historic bridge preservation by starting a major rehabilitation of this bridge. It is great to see this bridge has a bright future! Following are details of the rehab from DRJTBC:

As currently scheduled, project construction is now expected to begin in the fall of this year and reach completion in the spring of 2023. Scope of work includes:

Strengthen floor beams (steel members below the bridge's road deck)

Repair/replace buckling steel eye-bar components on the center portion of the bridge, the section that was reconstructed after the 1955 river flood

Replace the bridge's two deteriorating fiberglass walkway surfaces

Outfit the bridge with a new architectural lighting system

Repair deteriorating masonry at the bridge's abutments and wingwalls

Repaint the bridge

The project's design work is being conducted by GPI of Lebanon, N.J. under a contract the Commission awarded for a not-to-exceed amount of $1,420,768.65 in April 2020.

The Commission has established a webpage – www.drjtbc.org/project/freebridge -- to explain the project and provide additional background.

View Archived National Bridge Inventory Report - Has Additional Details and Evaluation

View Historic American Engineering Record (HAER) Documentation For This Bridge

HAER Data Pages, PDF

Visit Delaware River Joint Toll Bridge Commission's Page For This Historic Bridge

View Historical Articles About This Bridge

This bridge is a unique, incredible blend of engineering and artistry that is unlike any other bridge in the country. At first glance, it has the appearance of an eyebar suspension bridge. However, this bridge is a true cantilever truss bridge. The cantilever arms of this bridge hold a 50 foot (15.2 meter) suspended span truss in the center that has a cleverly disguised design wherein there is no change in the curve of the top chord as it transitions from the cantilever arm to the suspended span. The main indication of the transition is that the diagonal members suddenly become compression members in the center, where the diagonals on the rest of the bridge are tension members (eyebars). The suspended span follows a warren truss configuration.

There are very few cantilever bridges in the United States remaining that are pin-connected in their entirety, and as such the Northampton Street Bridge is technologically significant. The bridge is also a very beautiful bridge, and includes decorative finials, plaques, and statues of the Pennsylvania and New Jersey state seals.

The bridge was rehabilitated in 1924. The bridge underwent major renovation 1957 following severe damage caused by flooding. Despite this, the bridge appears to retain integrity of design. The bridge was also rehabilitated in 1990 and 2002.

This bridge is owned by the Delaware River Joint Toll Bridge Commission (DRJTBC). The DRJTBC has a unique commitment to maintaining the many historic bridges under its ownership, and working with the communities the bridges serve, and sets an example for the rest of the country to follow. The front page of their website often features a photo of a historic bridge, and their slogan is Preserving Our Past, Enhancing Our Future. How many other road/bridge agencies in the United States promote their commitment to historic bridges in this way? Not many.

Not only is the DRJTBC an example of how money might be better spent in regards to non-toll bridges, the DRJTBC bridges are also a great reference when arguing that a historic bridge can be rehabilitated and can also safely continue to function as a vehicular crossing.

The below valuable historical photos were found on the 2022 rehabilitation website and are included here as they may not stay on the DRJTBC website forever given they are on a project website (and not the main bridge page):

Above: Previous bridge during high water.

Above: Previous bridge damaged or being replaced.

Above: Bridge construction showing previous bridge used as falsework.

Above: Bridge construction.

Above: Bridge during flood.

Above: Bridge after flood.

Above: Bridge after flood.

Above: Bridge after flood.

Above: Bridge after flood.


This bridge is tagged with the following special condition(s): Unorganized Photos

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Photo Galleries and Videos: Northampton Street Bridge

 

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Structure Overview

Original / Full Size Photos
A collection of overview photos that show the bridge as a whole and general areas of the bridge. This gallery offers photos in the highest available resolution and file size in a touch-friendly popup viewer.
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View Photo Gallery

Structure Details

Original / Full Size Photos
A collection of detail photos that document the parts, construction, and condition of the bridge. This gallery offers photos in the highest available resolution and file size in a touch-friendly popup viewer.
Alternatively, Browse Without Using Viewer

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View Photo Gallery

Structure Overview

Mobile Optimized Photos
A collection of overview photos that show the bridge as a whole and general areas of the bridge. This gallery features data-friendly, fast-loading photos in a touch-friendly popup viewer.
Alternatively, Browse Without Using Viewer

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View Photo Gallery

Structure Details

Mobile Optimized Photos
A collection of detail photos that document the parts, construction, and condition of the bridge. This gallery features data-friendly, fast-loading photos in a touch-friendly popup viewer.
Alternatively, Browse Without Using Viewer

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View Photo Gallery

Additional Unorganized Photos

Original / Full Size Photos
A supplemental collection of photos that are from additional visit(s) to the bridge and have not been organized or captioned. This gallery offers photos in the highest available resolution and file size in a touch-friendly popup viewer.
Alternatively, Browse Without Using Viewer

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View Photo Gallery

Additional Unorganized Photos

Mobile Optimized Photos
A supplemental collection of photos that are from additional visit(s) to the bridge and have not been organized or captioned. This gallery features data-friendly, fast-loading photos in a touch-friendly popup viewer.
Alternatively, Browse Without Using Viewer

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Maps and Links: Northampton Street Bridge

Coordinates (Latitude, Longitude):

Search For Additional Bridge Listings:

Bridgehunter.com: View listed bridges within 0.5 miles (0.8 kilometers) of this bridge.

Bridgehunter.com: View listed bridges within 10 miles (16 kilometers) of this bridge.

HistoricBridges.org Bridge Browser: View listed bridges within 0.5 miles (0.8 kilometers) of this bridge.

HistoricBridges.org Bridge Browser: View listed bridges within 10 miles (16 kilometers) of this bridge.

2021 National Bridge Inventory: View listed bridges within 0.5 miles (0.8 kilometers) of this bridge.

Additional Maps:

Google Maps

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Bing Maps

OpenStreetMap

GeoHack (Additional Links and Coordinates)

Apple Maps (Via DuckDuckGo Search)

Apple Maps (Apple devices only)

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HERE We Go Maps

ACME Mapper

Waze Map

Android: Open Location In Your Map or GPS App

Flickr Gallery (Find Nearby Photos)

Wikimedia Commons (Find Nearby Photos)

Directions Via Sygic For Android

Directions Via Sygic For iOS and Android Dolphin Browser

USGS National Map (United States Only)

Historical USGS Topo Maps (United States Only)

Historic Aerials (United States Only)

CalTopo Maps (United States Only)


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