US Bridges

W. Hobart Gap Road over Slough Brook

Fair

Essex County, New Jersey · 0.34MI.W.OF Jfk Parkway · Structure no. 0700085

Built
1954
71 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete
Length
22 ft
1 main span
Daily traffic
8,443
2023 count
Owner
County
County Highway Agency

About this bridge

W. Hobart Gap Road over Slough Brook is a concrete slab carrying W. Hobart Gap Road over Slough Brook in Essex County, New Jersey. It was built in 1954, so it is 71 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 8,443 vehicles a day, roughly 3% of them trucks, projected to reach 10,131 by 2043. The structure is 22 ft (6.7 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesW. Hobart Gap Road
CrossesSlough Brook
Location0.34MI.W.OF Jfk Parkway
RouteCounty Highway 608
CountyEssex County
StateNew Jersey
Coordinates40.77391, -74.33314
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width60 ft (18.3 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,443 (2023)
Projected traffic10,131 by 2043
Trucks3%
Lanes on structure2
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was W. Hobart Gap Road over Slough Brook built?

It was built in 1954, making it 71 years old in 2025.

What condition is W. Hobart Gap Road over Slough Brook 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 July 2023.

How much traffic does W. Hobart Gap Road over Slough Brook carry?

About 8,443 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is W. Hobart Gap Road over Slough Brook?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 60 ft wide.

Who owns W. Hobart Gap Road over Slough Brook?

It is owned by the County Highway Agency.