US Bridges

I-78 Ramp Sf over Troy RD Balustrol & Rvrr

Fair

Union County, New Jersey · 0.3 MI W. of Exit 48 · Structure no. 2010163

Built
1967
58 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
218 ft
4 main spans
Daily traffic
7,023
2023 count
Owner
State
State Highway Agency

About this bridge

I-78 Ramp Sf over Troy RD Balustrol & Rvrr is a prestressed concrete stringer/multi-beam or girder carrying I-78 Ramp Sf over Troy RD Balustrol & Rvrr in Union County, New Jersey. It was built in 1967, so it is 58 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 7,023 vehicles a day, roughly 9% of them trucks, projected to reach 8,428 by 2043. The structure is 218 ft (66.4 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesI-78 Ramp Sf
CrossesTroy RD Balustrol & Rvrr
Location0.3 MI W. of Exit 48
RouteInterstate 78
CountyUnion County
StateNew Jersey
Coordinates40.71165, -74.32698
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length218 ft (66.4 m)
Longest span81 ft (24.7 m)
Deck width30 ft (9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,023 (2023)
Projected traffic8,428 by 2043
Trucks9%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-78 Ramp Sf over Troy RD Balustrol & Rvrr built?

It was built in 1967, making it 58 years old in 2025.

What condition is I-78 Ramp Sf over Troy RD Balustrol & Rvrr 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 I-78 Ramp Sf over Troy RD Balustrol & Rvrr carry?

About 7,023 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I-78 Ramp Sf over Troy RD Balustrol & Rvrr?

The structure is 218 ft (66.4 m) long with a longest span of 81 ft (24.7 m) and a deck 30 ft wide.

Who owns I-78 Ramp Sf over Troy RD Balustrol & Rvrr?

It is owned by the State Highway Agency.