US Bridges

US 130 over Millstone River

Poor

Mercer County, New Jersey · 0.66 Mi. N of NJ133 JCT · Structure no. 1123153

Built
1936
89 years old, rebuilt 1947
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
56 ft
1 main span
Daily traffic
32,880
2024 count
Owner
State
State Highway Agency

About this bridge

US 130 over Millstone River is a steel stringer/multi-beam or girder carrying US 130 over Millstone River in Mercer County, New Jersey. It was built in 1936 and reconstructed in 1947, so it is 89 years old, older than the New Jersey average of 58.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 32,880 vehicles a day, roughly 4% of them trucks, projected to reach 39,456 by 2044. The structure is 56 ft (17.1 m) long and 105 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS 130
CrossesMillstone River
Location0.66 Mi. N of NJ133 JCT
RouteU.S. Route 130
Coordinates40.29012, -74.52189
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length56 ft (17.1 m)
Longest span53 ft (16.2 m)
Deck width105 ft (31.9 m)
Roadway width91 ft (27.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,880 (2024)
Projected traffic39,456 by 2044
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$809,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 130 over Millstone River built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1947.

What condition is US 130 over Millstone River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does US 130 over Millstone River carry?

About 32,880 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is US 130 over Millstone River?

The structure is 56 ft (17.1 m) long with a longest span of 53 ft (16.2 m) and a deck 105 ft wide.

Who owns US 130 over Millstone River?

It is owned by the State Highway Agency.