US Bridges

RTE 987C over Lower Sparkill Creek

Fair

Rockland County, New York · .2 MI NW JCT Pip & SH 340 · Structure no. 000000001068549

Built
1954
71 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
42,928
2011 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

RTE 987C over Lower Sparkill Creek is a concrete culvert carrying RTE 987C over Lower Sparkill Creek in Rockland County, New York. It was built in 1954, so it is 71 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.

It carries about 42,928 vehicles a day, roughly 1% of them trucks, projected to reach 60,558 by 2041. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesRTE 987C
CrossesLower Sparkill Creek
Location.2 MI NW JCT Pip & SH 340
Coordinates41.02012, -73.93179
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,928 (2011)
Projected traffic60,558 by 2041
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$1.9 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 987C over Lower Sparkill Creek built?

It was built in 1954, making it 71 years old in 2025.

What condition is RTE 987C over Lower Sparkill Creek 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 December 2024.

How much traffic does RTE 987C over Lower Sparkill Creek carry?

About 42,928 vehicles per day (2011 count), of which roughly 1% are trucks.

How long is RTE 987C over Lower Sparkill Creek?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m).

Who owns RTE 987C over Lower Sparkill Creek?

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