RTE 987E over Lake Sebago Dam
PoorRockland County, New York · 3.5 MI NE of Sloatsburg · Structure no. 000000005521400
- Built
- 1924
- 101 years old, rebuilt 1981
- Condition
- Poor
- inspected June 2024
- Type
- Slab
- Concrete Continuous
- Length
- 194 ft
- 19 main spans
- Daily traffic
- 1,068
- 2014 count
- Owner
- State
- State Park, Forest, or Reservation Agency
About this bridge
RTE 987E over Lake Sebago Dam is a concrete continuous slab carrying RTE 987E over Lake Sebago Dam in Rockland County, New York. It was built in 1924 and reconstructed in 1981, so it is 101 years old, older than the New York average of 53 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 1,068 vehicles a day, roughly 2% of them trucks, projected to reach 1,297 by 2041. The structure is 194 ft (59.1 m) long and 36 ft wide. If it were closed, the detour would be 16.8 mi (27 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was RTE 987E over Lake Sebago Dam built?
It was built in 1924, making it 101 years old in 2025. It was reconstructed in 1981.
What condition is RTE 987E over Lake Sebago Dam in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.
How much traffic does RTE 987E over Lake Sebago Dam carry?
About 1,068 vehicles per day (2014 count), of which roughly 2% are trucks.
How long is RTE 987E over Lake Sebago Dam?
The structure is 194 ft (59.1 m) long with a longest span of 12 ft (3.6 m) and a deck 36 ft wide.
Who owns RTE 987E over Lake Sebago Dam?
It is owned by the State Park, Forest, or Reservation Agency.