US Bridges

US 1 over US 1 Business N.B.

Fair

Mercer County, New Jersey · 1.52 Miles S of I-295 JCT · Structure no. 1126154

Built
1973
52 years old, rebuilt 2021
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
117 ft
1 main span
Daily traffic
58,378
2023 count
Owner
State
State Highway Agency

About this bridge

US 1 over US 1 Business N.B. is a steel stringer/multi-beam or girder carrying US 1 over US 1 Business N.B. in Mercer County, New Jersey. It was built in 1973 and reconstructed in 2021, so it is 52 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 58,378 vehicles a day, roughly 5% of them trucks, projected to reach 70,054 by 2043. The structure is 117 ft (35.7 m) long and 86 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 1
CrossesUS 1 Business N.B.
Location1.52 Miles S of I-295 JCT
RouteU.S. Route 1
CountyMercer County
StateNew Jersey
Coordinates40.26671, -74.71509
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 alignment6: Equal to present minimum criteria
Operating rating89 US tons
Inventory rating53 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length117 ft (35.7 m)
Longest span115 ft (35.1 m)
Deck width86 ft (26.3 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58,378 (2023)
Projected traffic70,054 by 2043
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 statusHistorical significance not determinable at this time
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$1.5 million (2017 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 1 over US 1 Business N.B. built?

It was built in 1973, making it 52 years old in 2025. It was reconstructed in 2021.

What condition is US 1 over US 1 Business N.B. 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 August 2023.

How much traffic does US 1 over US 1 Business N.B. carry?

About 58,378 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is US 1 over US 1 Business N.B.?

The structure is 117 ft (35.7 m) long with a longest span of 115 ft (35.1 m) and a deck 86 ft wide.

Who owns US 1 over US 1 Business N.B.?

It is owned by the State Highway Agency.