South Main Street over Swan Creek
FairHunterdon County, New Jersey · 0.1 MI S of Rt 179 JCT · Structure no. 1006151
- Built
- 1918
- 107 years old
- Condition
- Fair
- inspected March 2024
- Type
- Arch - Deck
- Concrete
- Length
- 40 ft
- 1 main span
- Daily traffic
- 4,379
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
South Main Street over Swan Creek is a concrete arch - deck carrying South Main Street over Swan Creek in Hunterdon County, New Jersey. It was built in 1918, so it is 107 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 4,379 vehicles a day, roughly 4% of them trucks, projected to reach 5,344 by 2044. The structure is 40 ft (12.2 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 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 |
|---|---|---|
| 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was South Main Street over Swan Creek built?
It was built in 1918, making it 107 years old in 2025.
What condition is South Main Street over Swan Creek 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 March 2024.
How much traffic does South Main Street over Swan Creek carry?
About 4,379 vehicles per day (2024 count), of which roughly 4% are trucks.
How long is South Main Street over Swan Creek?
The structure is 40 ft (12.2 m) long with a longest span of 31 ft (9.4 m) and a deck 40 ft wide.
Who owns South Main Street over Swan Creek?
It is owned by the State Highway Agency.