Nj 18 SB over US 9 NB & US 9 Ramp 8
GoodMiddlesex County, New Jersey · 1.95 MI N of Co. 520 JCT · Structure no. 1211156
- Built
- 1972
- 53 years old
- Condition
- Good
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 140 ft
- 1 main span
- Daily traffic
- 25,627
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Nj 18 SB over US 9 NB & US 9 Ramp 8 is a steel stringer/multi-beam or girder carrying Nj 18 SB over US 9 NB & US 9 Ramp 8 in Middlesex County, New Jersey. It was built in 1972, so it is 53 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 25,627 vehicles a day, roughly 4% of them trucks, projected to reach 31,270 by 2044. The structure is 140 ft (42.7 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 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 18 SB over US 9 NB & US 9 Ramp 8 built?
It was built in 1972, making it 53 years old in 2025.
What condition is Nj 18 SB over US 9 NB & US 9 Ramp 8 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 June 2024.
How much traffic does Nj 18 SB over US 9 NB & US 9 Ramp 8 carry?
About 25,627 vehicles per day (2024 count), of which roughly 4% are trucks.
How long is Nj 18 SB over US 9 NB & US 9 Ramp 8?
The structure is 140 ft (42.7 m) long with a longest span of 135 ft (41.1 m) and a deck 48 ft wide.
Who owns Nj 18 SB over US 9 NB & US 9 Ramp 8?
It is owned by the State Highway Agency.