US Bridges

Twelfth Street over I-280

Fair

Essex County, New Jersey · 0.8 MI E of I-280-GSP · Structure no. 0730184

Built
1970
55 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
190 ft
2 main spans
Daily traffic
2,810
2023 count
Owner
State
State Highway Agency

About this bridge

Twelfth Street over I-280 is a steel stringer/multi-beam or girder carrying Twelfth Street over I-280 in Essex County, New Jersey. It was built in 1970, so it is 55 years old, younger 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 2,810 vehicles a day, roughly 3% of them trucks, projected to reach 3,372 by 2043. The structure is 190 ft (57.9 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTwelfth Street
CrossesI-280
Location0.8 MI E of I-280-GSP
RouteCity Street 0
CountyEssex County
StateNew Jersey
Coordinates40.75403, -74.19599
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating69 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length190 ft (57.9 m)
Longest span92 ft (28 m)
Deck width48 ft (14.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,810 (2023)
Projected traffic3,372 by 2043
Trucks3%
Lanes on structure1
Traffic directionOne-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 Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1.5 million (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Twelfth Street over I-280 built?

It was built in 1970, making it 55 years old in 2025.

What condition is Twelfth Street over I-280 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 May 2023.

How much traffic does Twelfth Street over I-280 carry?

About 2,810 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Twelfth Street over I-280?

The structure is 190 ft (57.9 m) long with a longest span of 92 ft (28 m) and a deck 48 ft wide.

Who owns Twelfth Street over I-280?

It is owned by the State Highway Agency.