US 46 over South Br Raritan River
FairMorris County, New Jersey · 3.6MI West of I-80 JCT · Structure no. 1407156
- Built
- 1921
- 104 years old, rebuilt 1964
- Condition
- Fair
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 34 ft
- 1 main span
- Daily traffic
- 25,056
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 46 over South Br Raritan River is a steel stringer/multi-beam or girder carrying US 46 over South Br Raritan River in Morris County, New Jersey. It was built in 1921 and reconstructed in 1964, so it is 104 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 5 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 25,056 vehicles a day, roughly 4% of them trucks, projected to reach 30,573 by 2043. The structure is 34 ft (10.4 m) long and 60 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 46 over South Br Raritan River built?
It was built in 1921, making it 104 years old in 2025. It was reconstructed in 1964.
What condition is US 46 over South Br Raritan 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 April 2023.
How much traffic does US 46 over South Br Raritan River carry?
About 25,056 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is US 46 over South Br Raritan River?
The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.8 m) and a deck 60 ft wide.
Who owns US 46 over South Br Raritan River?
It is owned by the State Highway Agency.