US Bridges

Northampton Street over Delaware River

FairPosted for load

Warren County, New Jersey · 0.5 Miles South of US 22 · Structure no. 3300280

Built
1896
129 years old, rebuilt 2002
Condition
Fair
inspected June 2024
Type
Truss - Thru
Steel
Length
556 ft
3 main spans
Daily traffic
18,700
2024 count
Owner
Toll Authority
Local Toll Authority

About this bridge

Northampton Street over Delaware River is a steel truss - thru carrying Northampton Street over Delaware River in Warren County, New Jersey. It was built in 1896 and reconstructed in 2002, so it is 129 years old, older than the New Jersey average of 58.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 18,700 vehicles a day, projected to reach 23,000 by 2044. The structure is 556 ft (169.5 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesNorthampton Street
CrossesDelaware River
Location0.5 Miles South of US 22
RouteCity Street 0
CountyWarren County
StateNew Jersey
Coordinates40.69147, -75.20421
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating37.3 US tons
Inventory rating18.1 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckOpen grating
Main spans3
Design loadUnknown
Structure length556 ft (169.5 m)
Longest span300 ft (91.4 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deck10 ft (3.1 m)

Traffic and service

Average daily traffic18,700 (2024)
Projected traffic23,000 by 2044
Trucks0%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerLocal Toll Authority
Maintained byPrivate (other than railroad)
Historic statusEligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Northampton Street over Delaware River built?

It was built in 1896, making it 129 years old in 2025. It was reconstructed in 2002.

What condition is Northampton Street over Delaware River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does Northampton Street over Delaware River carry?

About 18,700 vehicles per day (2024 count).

How long is Northampton Street over Delaware River?

The structure is 556 ft (169.5 m) long with a longest span of 300 ft (91.4 m) and a deck 34 ft wide.

Who owns Northampton Street over Delaware River?

It is owned by the Local Toll Authority and maintained by the Private (other than railroad).