Birch ST (cr 77) over Gsp NB
GoodOcean County, New Jersey · 2 MI S of RT37 & Gsp JCT · Structure no. 360802N
- Built
- 2011
- 14 years old
- Condition
- Good
- inspected February 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 115 ft
- 1 main span
- Daily traffic
- 5,576
- 2023 count
- Owner
- Toll Authority
- State Toll Authority
About this bridge
Birch ST (cr 77) over Gsp NB is a steel stringer/multi-beam or girder carrying Birch ST (cr 77) over Gsp NB in Ocean County, New Jersey. It was built in 2011, so it is 14 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 5,576 vehicles a day, roughly 3% of them trucks, projected to reach 6,804 by 2043. The structure is 115 ft (35.1 m) long and 58 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 Birch ST (cr 77) over Gsp NB built?
It was built in 2011, making it 14 years old in 2025.
What condition is Birch ST (cr 77) over Gsp NB 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 February 2023.
How much traffic does Birch ST (cr 77) over Gsp NB carry?
About 5,576 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Birch ST (cr 77) over Gsp NB?
The structure is 115 ft (35.1 m) long with a longest span of 108 ft (32.9 m) and a deck 58 ft wide.
Who owns Birch ST (cr 77) over Gsp NB?
It is owned by the State Toll Authority.