US Bridges

Nj 133 over Trib. of Millstone River

Good

Mercer County, New Jersey · 1.18 Ml W of US 130 Jct. · Structure no. 1143165

Built
2000
25 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
82 ft
2 main spans
Daily traffic
16,825
2023 count
Owner
State
State Highway Agency

About this bridge

Nj 133 over Trib. of Millstone River is a concrete culvert carrying Nj 133 over Trib. of Millstone River in Mercer County, New Jersey. It was built in 2000, so it is 25 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 16,825 vehicles a day, roughly 5% of them trucks, projected to reach 20,529 by 2043. The structure is 82 ft (25 m) long and 101 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNj 133
CrossesTrib. of Millstone River
Location1.18 Ml W of US 130 Jct.
RouteState Highway 133
Coordinates40.28418, -74.55114
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length82 ft (25 m)
Longest span42 ft (12.8 m)
Deck width101 ft (30.7 m)
Roadway width77 ft (23.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,825 (2023)
Projected traffic20,529 by 2043
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nj 133 over Trib. of Millstone River built?

It was built in 2000, making it 25 years old in 2025.

What condition is Nj 133 over Trib. of Millstone River 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 June 2023.

How much traffic does Nj 133 over Trib. of Millstone River carry?

About 16,825 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Nj 133 over Trib. of Millstone River?

The structure is 82 ft (25 m) long with a longest span of 42 ft (12.8 m) and a deck 101 ft wide.

Who owns Nj 133 over Trib. of Millstone River?

It is owned by the State Highway Agency.