Nj 129 SB over US1;RMP Frm US1NB&AMTRAK
GoodMercer County, New Jersey · 2.3MI NW of I295 & Nj JCT · Structure no. 1140152
- Built
- 1994
- 31 years old
- Condition
- Good
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 537 ft
- 5 main spans
- Daily traffic
- 13,811
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Nj 129 SB over US1;RMP Frm US1NB&AMTRAK is a steel continuous stringer/multi-beam or girder carrying Nj 129 SB over US1;RMP Frm US1NB&AMTRAK in Mercer County, New Jersey. It was built in 1994, so it is 31 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 13,811 vehicles a day, roughly 4% of them trucks, projected to reach 16,573 by 2042. The structure is 537 ft (163.7 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nj 129 SB over US1;RMP Frm US1NB&AMTRAK built?
It was built in 1994, making it 31 years old in 2025.
What condition is Nj 129 SB over US1;RMP Frm US1NB&AMTRAK in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.
How much traffic does Nj 129 SB over US1;RMP Frm US1NB&AMTRAK carry?
About 13,811 vehicles per day (2022 count), of which roughly 4% are trucks.
How long is Nj 129 SB over US1;RMP Frm US1NB&AMTRAK?
The structure is 537 ft (163.7 m) long with a longest span of 128 ft (39 m) and a deck 35 ft wide.
Who owns Nj 129 SB over US1;RMP Frm US1NB&AMTRAK?
It is owned by the State Highway Agency.