US Bridges

Njtpk (I-95) over Rocky Brook

Good

Mercer County, New Jersey · 0.3 MI South of Int 8 · Structure no. M06727S

Built
2013
12 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
96 ft
1 main span
Daily traffic
31,453
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Njtpk (I-95) over Rocky Brook is a steel stringer/multi-beam or girder carrying Njtpk (I-95) over Rocky Brook in Mercer County, New Jersey. It was built in 2013, so it is 12 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 31,453 vehicles a day, roughly 34% of them trucks, projected to reach 74,863 by 2043. The structure is 96 ft (29.3 m) long and 80 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesNjtpk (I-95)
CrossesRocky Brook
Location0.3 MI South of Int 8
RouteInterstate 95
CountyMercer County
StateNew Jersey
Coordinates40.26062, -74.51285
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.5 US tons
Inventory rating67.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length96 ft (29.3 m)
Longest span93 ft (28.3 m)
Deck width80 ft (24.4 m)
Roadway width76 ft (23.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,453 (2023)
Projected traffic74,863 by 2043
Trucks34%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Njtpk (I-95) over Rocky Brook built?

It was built in 2013, making it 12 years old in 2025.

What condition is Njtpk (I-95) over Rocky Brook in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does Njtpk (I-95) over Rocky Brook carry?

About 31,453 vehicles per day (2023 count), of which roughly 34% are trucks.

How long is Njtpk (I-95) over Rocky Brook?

The structure is 96 ft (29.3 m) long with a longest span of 93 ft (28.3 m) and a deck 80 ft wide.

Who owns Njtpk (I-95) over Rocky Brook?

It is owned by the State Toll Authority.