Nj 18 over S.River Conrail Main ST
GoodMiddlesex County, New Jersey · 0.4 MI N of CR 516 · Structure no. 1212150
- Built
- 1999
- 26 years old
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 484 ft
- 4 main spans
- Daily traffic
- 57,073
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Nj 18 over S.River Conrail Main ST is a steel continuous stringer/multi-beam or girder carrying Nj 18 over S.River Conrail Main ST in Middlesex County, New Jersey. It was built in 1999, so it is 26 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 57,073 vehicles a day, roughly 4% of them trucks, projected to reach 85,161 by 2042. The structure is 484 ft (147.5 m) long and 126 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. |
| 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 Nj 18 over S.River Conrail Main ST built?
It was built in 1999, making it 26 years old in 2025.
What condition is Nj 18 over S.River Conrail Main ST 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 July 2024.
How much traffic does Nj 18 over S.River Conrail Main ST carry?
About 57,073 vehicles per day (2022 count), of which roughly 4% are trucks.
How long is Nj 18 over S.River Conrail Main ST?
The structure is 484 ft (147.5 m) long with a longest span of 139 ft (42.4 m) and a deck 126 ft wide.
Who owns Nj 18 over S.River Conrail Main ST?
It is owned by the State Highway Agency.