N Harrison STCR629 over Carnegie Lake
GoodMercer County, New Jersey · 4500 Ft. West of Route 1 · Structure no. 1100008
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 387 ft
- 4 main spans
- Daily traffic
- 11,115
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
N Harrison STCR629 over Carnegie Lake is a steel continuous stringer/multi-beam or girder carrying N Harrison STCR629 over Carnegie Lake in Mercer County, New Jersey. It was built in 1989, so it is 36 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 11,115 vehicles a day, roughly 4% of them trucks, projected to reach 13,560 by 2043. The structure is 387 ft (118 m) long and 39 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N Harrison STCR629 over Carnegie Lake built?
It was built in 1989, making it 36 years old in 2025.
What condition is N Harrison STCR629 over Carnegie Lake 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 March 2023.
How much traffic does N Harrison STCR629 over Carnegie Lake carry?
About 11,115 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is N Harrison STCR629 over Carnegie Lake?
The structure is 387 ft (118 m) long with a longest span of 95 ft (29 m) and a deck 39 ft wide.
Who owns N Harrison STCR629 over Carnegie Lake?
It is owned by the County Highway Agency.