US Bridges

Hobson Street over I-78

Fair

Essex County, New Jersey · 1.8 Miles East of Gsp · Structure no. 0723154

Built
1976
49 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
291 ft
2 main spans
Daily traffic
6,184
2023 count
Owner
State
State Highway Agency

About this bridge

Hobson Street over I-78 is a steel stringer/multi-beam or girder carrying Hobson Street over I-78 in Essex County, New Jersey. It was built in 1976, so it is 49 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 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 6,184 vehicles a day, roughly 1% of them trucks, projected to reach 7,544 by 2043. The structure is 291 ft (88.7 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHobson Street
CrossesI-78
Location1.8 Miles East of Gsp
RouteCity Street 0
CountyEssex County
StateNew Jersey
Coordinates40.71623, -74.21533
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating110.1 US tons
Inventory rating77.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length291 ft (88.7 m)
Longest span148 ft (45.1 m)
Deck width49 ft (14.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,184 (2023)
Projected traffic7,544 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-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 Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$39,000 (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Hobson Street over I-78 built?

It was built in 1976, making it 49 years old in 2025.

What condition is Hobson Street over I-78 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 2023.

How much traffic does Hobson Street over I-78 carry?

About 6,184 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Hobson Street over I-78?

The structure is 291 ft (88.7 m) long with a longest span of 148 ft (45.1 m) and a deck 49 ft wide.

Who owns Hobson Street over I-78?

It is owned by the State Highway Agency.