US Bridges

RTE 987C over Lake Tiorati Brook

Fair

Rockland County, New York · 1.4 MI N JCT Pip+rte 210 · Structure no. 000000001068890

Built
1950
75 years old
Condition
Fair
inspected October 2024
Type
Frame
Concrete
Length
32 ft
1 main span
Daily traffic
—
2004 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

RTE 987C over Lake Tiorati Brook is a concrete frame carrying RTE 987C over Lake Tiorati Brook in Rockland County, New York. It was built in 1950, so it is 75 years old, older 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.

No traffic count is recorded. The structure is 32 ft (9.8 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesRTE 987C
CrossesLake Tiorati Brook
Location1.4 MI N JCT Pip+rte 210
CountyRockland County
StateNew York
Coordinates41.24981, -74.04151
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating75.1 US tons
Inventory rating32.4 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length32 ft (9.8 m)
Longest span28 ft (8.5 m)
Deck width48 ft (14.5 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic—
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Park, Forest, or Reservation Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.7 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 987C over Lake Tiorati Brook built?

It was built in 1950, making it 75 years old in 2025.

What condition is RTE 987C over Lake Tiorati Brook 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 October 2024.

How much traffic does RTE 987C over Lake Tiorati Brook carry?

No traffic count is recorded for this structure.

How long is RTE 987C over Lake Tiorati Brook?

The structure is 32 ft (9.8 m) long with a longest span of 28 ft (8.5 m) and a deck 48 ft wide.

Who owns RTE 987C over Lake Tiorati Brook?

It is owned by the State Park, Forest, or Reservation Agency and maintained by the State Highway Agency.