Trenton Ave(nj 29) over Nishisakawick Creek
FairHunterdon County, New Jersey · 0.17 Mile S.Of Nj 12 · Structure no. 1000031
- Built
- 1900
- 125 years old, rebuilt 1985
- Condition
- Fair
- inspected March 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 50 ft
- 1 main span
- Daily traffic
- 2,402
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Trenton Ave(nj 29) over Nishisakawick Creek is a prestressed concrete slab carrying Trenton Ave(nj 29) over Nishisakawick Creek in Hunterdon County, New Jersey. It was built in 1900 and reconstructed in 1985, so it is 125 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 2,402 vehicles a day, roughly 4% of them trucks, projected to reach 2,931 by 2043. The structure is 50 ft (15.2 m) long and 33 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 |
|---|---|---|
| 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 | 7 Good | Some minor problems. |
| 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 Trenton Ave(nj 29) over Nishisakawick Creek built?
It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1985.
What condition is Trenton Ave(nj 29) over Nishisakawick 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 2023.
How much traffic does Trenton Ave(nj 29) over Nishisakawick Creek carry?
About 2,402 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Trenton Ave(nj 29) over Nishisakawick Creek?
The structure is 50 ft (15.2 m) long with a longest span of 47 ft (14.3 m) and a deck 33 ft wide.
Who owns Trenton Ave(nj 29) over Nishisakawick Creek?
It is owned by the County Highway Agency.