US Bridges

RTE 987F over Grassy Sprain Brook

Fair

Westchester County, New York · 1.6 MI W of Tuckahoe · Structure no. 000000005501600

Built
1970
55 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete Continuous
Length
61 ft
2 main spans
Daily traffic
1,766
1997 count
Owner
State
State Highway Agency

About this bridge

RTE 987F over Grassy Sprain Brook is a concrete continuous culvert carrying RTE 987F over Grassy Sprain Brook in Westchester County, New York. It was built in 1970, so it is 55 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 1,766 vehicles a day, roughly 13% of them trucks, projected to reach 2,472 by 2017. The structure is 61 ft (18.6 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE 987F
CrossesGrassy Sprain Brook
Location1.6 MI W of Tuckahoe
Coordinates40.95059, -73.85226
Functional classUrban Principal Arterial - Interstate

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating54 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length61 ft (18.6 m)
Longest span30 ft (9.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,766 (1997)
Projected traffic2,472 by 2017
Trucks13%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$740,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 987F over Grassy Sprain Brook built?

It was built in 1970, making it 55 years old in 2025.

What condition is RTE 987F over Grassy Sprain 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 June 2024.

How much traffic does RTE 987F over Grassy Sprain Brook carry?

About 1,766 vehicles per day (1997 count), of which roughly 13% are trucks.

How long is RTE 987F over Grassy Sprain Brook?

The structure is 61 ft (18.6 m) long with a longest span of 30 ft (9.1 m).

Who owns RTE 987F over Grassy Sprain Brook?

It is owned by the State Highway Agency.