US Bridges

US 1 Business over D&r Canal and US 1 SB

Fair

Mercer County, New Jersey · 3.0 Miles North of Nj 29 · Structure no. 1101162

Built
1953
72 years old, rebuilt 2018
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
194 ft
2 main spans
Daily traffic
11,126
2024 count
Owner
State
State Highway Agency

About this bridge

US 1 Business over D&r Canal and US 1 SB is a steel stringer/multi-beam or girder carrying US 1 Business over D&r Canal and US 1 SB in Mercer County, New Jersey. It was built in 1953 and reconstructed in 2018, so it is 72 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 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 11,126 vehicles a day, roughly 4% of them trucks, projected to reach 13,576 by 2044. The structure is 194 ft (59.1 m) long and 62 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 1 Business
CrossesD&r Canal and US 1 SB
Location3.0 Miles North of Nj 29
RouteU.S. Route 1B
Coordinates40.24055, -74.73907
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating44 US tons
Inventory rating34 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length194 ft (59.1 m)
Longest span98 ft (29.9 m)
Deck width62 ft (19 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,126 (2024)
Projected traffic13,576 by 2044
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.9 mi (3 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$4.3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US 1 Business over D&r Canal and US 1 SB built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 2018.

What condition is US 1 Business over D&r Canal and US 1 SB 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 2024.

How much traffic does US 1 Business over D&r Canal and US 1 SB carry?

About 11,126 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is US 1 Business over D&r Canal and US 1 SB?

The structure is 194 ft (59.1 m) long with a longest span of 98 ft (29.9 m) and a deck 62 ft wide.

Who owns US 1 Business over D&r Canal and US 1 SB?

It is owned by the State Highway Agency.