US Bridges

William ST over Gsp NB & SB

Fair

Essex County, New Jersey · 0.28 MI N of GSP&RT280 Jc · Structure no. 361474T

Built
1953
72 years old, rebuilt 1986
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
113 ft
2 main spans
Daily traffic
3,670
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

William ST over Gsp NB & SB is a steel stringer/multi-beam or girder carrying William 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 6 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 3,670 vehicles a day, roughly 4% of them trucks, projected to reach 4,479 by 2043. The structure is 113 ft (34.4 m) long and 54 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesWilliam ST
CrossesGsp NB & SB
Location0.28 MI N of GSP&RT280 Jc
RouteCity Street 0
CountyEssex County
StateNew Jersey
Coordinates40.76294, -74.20643
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47.8 US tons
Inventory rating36.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length113 ft (34.4 m)
Longest span54 ft (16.5 m)
Deck width54 ft (16.5 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,670 (2023)
Projected traffic4,479 by 2043
Trucks4%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$1.6 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was William 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 William 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 William ST over Gsp NB & SB carry?

About 3,670 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is William ST over Gsp NB & SB?

The structure is 113 ft (34.4 m) long with a longest span of 54 ft (16.5 m) and a deck 54 ft wide.

Who owns William ST over Gsp NB & SB?

It is owned by the State Toll Authority.