RTE 878 over LIRR - Far Rockwy
FairNassau County, New York · JCT SH 878 & Long Island · Structure no. 000000001073810
- Built
- 1990
- 35 years old
- Condition
- Fair
- inspected September 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 84 ft
- 1 main span
- Daily traffic
- 34,199
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
RTE 878 over LIRR - Far Rockwy is a prestressed concrete box beam or girders - multiple carrying RTE 878 over LIRR - Far Rockwy in Nassau County, New York. It was built in 1990, so it is 35 years old, younger than the New York average of 53 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 34,199 vehicles a day, roughly 4% of them trucks, projected to reach 39,458 by 2041. The structure is 84 ft (25.6 m) long and 118 ft wide. If it were closed, the detour would be 0.6 mi (1 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was RTE 878 over LIRR - Far Rockwy built?
It was built in 1990, making it 35 years old in 2025.
What condition is RTE 878 over LIRR - Far Rockwy in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.
How much traffic does RTE 878 over LIRR - Far Rockwy carry?
About 34,199 vehicles per day (2020 count), of which roughly 4% are trucks.
How long is RTE 878 over LIRR - Far Rockwy?
The structure is 84 ft (25.6 m) long with a longest span of 82 ft (24.9 m) and a deck 118 ft wide.
Who owns RTE 878 over LIRR - Far Rockwy?
It is owned by the State Highway Agency.