US Bridges

Ustp Ent/Ex Ramp over County Route 523

Fair

Hunterdon County, New Jersey · 1.0 MI So of I-78&523 JCT · Structure no. 9010001

Built
1990
35 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
113 ft
2 main spans
Daily traffic
500
2021 count
Owner
Private
Private (other than railroad)

About this bridge

Ustp Ent/Ex Ramp over County Route 523 is a prestressed concrete stringer/multi-beam or girder carrying Ustp Ent/Ex Ramp over County Route 523 in Hunterdon County, New Jersey. It was built in 1990, so it is 35 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 500 vehicles a day, roughly 1% of them trucks, projected to reach 600 by 2041. The structure is 113 ft (34.4 m) long and 68 ft wide.

Location

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CarriesUstp Ent/Ex Ramp
CrossesCounty Route 523
Location1.0 MI So of I-78&523 JCT
CountyHunterdon County
StateNew Jersey
Coordinates40.63708, -74.76432
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length113 ft (34.4 m)
Longest span54 ft (16.5 m)
Deck width68 ft (20.7 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2021)
Projected traffic600 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerPrivate (other than railroad)
Maintained byPrivate (other than railroad)
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 Ustp Ent/Ex Ramp over County Route 523 built?

It was built in 1990, making it 35 years old in 2025.

What condition is Ustp Ent/Ex Ramp over County Route 523 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 Ustp Ent/Ex Ramp over County Route 523 carry?

About 500 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Ustp Ent/Ex Ramp over County Route 523?

The structure is 113 ft (34.4 m) long with a longest span of 54 ft (16.5 m) and a deck 68 ft wide.

Who owns Ustp Ent/Ex Ramp over County Route 523?

It is owned by the Private (other than railroad).