US Bridges

Njtpk (I-95) over Millstone River

Fair

Mercer County, New Jersey · 1.15 MI North of Exit 8 · Structure no. M06875S

Built
2014
11 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
107 ft
1 main span
Daily traffic
32,299
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Njtpk (I-95) over Millstone River is a prestressed concrete box beam or girders - multiple carrying Njtpk (I-95) over Millstone River in Mercer County, New Jersey. It was built in 2014, so it is 11 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 32,299 vehicles a day, roughly 33% of them trucks, projected to reach 75,996 by 2043. The structure is 107 ft (32.6 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNjtpk (I-95)
CrossesMillstone River
Location1.15 MI North of Exit 8
RouteInterstate 95
CountyMercer County
StateNew Jersey
Coordinates40.28089, -74.50466
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.2 US tons
Inventory rating42.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length107 ft (32.6 m)
Longest span106 ft (32.3 m)
Deck width59 ft (18 m)
Roadway width55 ft (16.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,299 (2023)
Projected traffic75,996 by 2043
Trucks33%
Lanes on structure3
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 Millstone River built?

It was built in 2014, making it 11 years old in 2025.

What condition is Njtpk (I-95) over Millstone River 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 Njtpk (I-95) over Millstone River carry?

About 32,299 vehicles per day (2023 count), of which roughly 33% are trucks.

How long is Njtpk (I-95) over Millstone River?

The structure is 107 ft (32.6 m) long with a longest span of 106 ft (32.3 m) and a deck 59 ft wide.

Who owns Njtpk (I-95) over Millstone River?

It is owned by the State Toll Authority.