US Bridges

I-80 & CR 675 over Stoney Brook

Fair

Warren County, New Jersey · 1.2 MI W of I-80 Exit 4 · Structure no. 2114157

Built
1953
72 years old, rebuilt 1977
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
35 ft
1 main span
Daily traffic
55,570
2023 count
Owner
State
State Highway Agency

About this bridge

I-80 & CR 675 over Stoney Brook is a concrete culvert carrying I-80 & CR 675 over Stoney Brook in Warren County, New Jersey. It was built in 1953 and reconstructed in 1977, 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 55,570 vehicles a day, roughly 14% of them trucks, projected to reach 66,689 by 2043. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesI-80 & CR 675
CrossesStoney Brook
Location1.2 MI W of I-80 Exit 4
RouteInterstate 80
CountyWarren County
StateNew Jersey
Coordinates40.93917, -75.10424
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating82 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span35 ft (10.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55,570 (2023)
Projected traffic66,689 by 2043
Trucks14%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 I-80 & CR 675 over Stoney Brook built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1977.

What condition is I-80 & CR 675 over Stoney 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 March 2023.

How much traffic does I-80 & CR 675 over Stoney Brook carry?

About 55,570 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is I-80 & CR 675 over Stoney Brook?

The structure is 35 ft (10.7 m) long with a longest span of 35 ft (10.7 m).

Who owns I-80 & CR 675 over Stoney Brook?

It is owned by the State Highway Agency.