US Bridges

N.Walnut ST over Gsp NB & SB

Fair

Essex County, New Jersey · 0.97 M N of GSP&RT280 JCT · Structure no. 361481T

Built
1953
72 years old, rebuilt 1986
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
146 ft
2 main spans
Daily traffic
14,041
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

N.Walnut ST over Gsp NB & SB is a steel stringer/multi-beam or girder carrying N.Walnut ST over Gsp NB & SB in Essex County, New Jersey. It was built in 1953 and reconstructed in 1986, so it is 72 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.

It carries about 14,041 vehicles a day, roughly 1% of them trucks, projected to reach 17,133 by 2043. The structure is 146 ft (44.5 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesN.Walnut ST
CrossesGsp NB & SB
Location0.97 M N of GSP&RT280 JCT
RouteCity Street 0
CountyEssex County
StateNew Jersey
Coordinates40.77234, -74.20489
Functional classUrban Local

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.3 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length146 ft (44.5 m)
Longest span73 ft (22.3 m)
Deck width35 ft (10.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,041 (2023)
Projected traffic17,133 by 2043
Trucks1%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was N.Walnut ST over Gsp NB & SB built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1986.

What condition is N.Walnut ST over Gsp NB & SB 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 August 2023.

How much traffic does N.Walnut ST over Gsp NB & SB carry?

About 14,041 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is N.Walnut ST over Gsp NB & SB?

The structure is 146 ft (44.5 m) long with a longest span of 73 ft (22.3 m) and a deck 35 ft wide.

Who owns N.Walnut ST over Gsp NB & SB?

It is owned by the State Toll Authority.