US Bridges

Merrick Road over Smith Pond Outlet

Fair

Nassau County, New York · 3.9 MI E NYC Li on RTE 27 · Structure no. 000000003300080

Built
1958
67 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
33 ft
4 main spans
Daily traffic
42,179
2020 count
Owner
County
County Highway Agency

About this bridge

Merrick Road over Smith Pond Outlet is a concrete continuous culvert carrying Merrick Road over Smith Pond Outlet in Nassau County, New York. It was built in 1958, so it is 67 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 5 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 42,179 vehicles a day, roughly 3% of them trucks, projected to reach 51,239 by 2041. The structure is 33 ft (10.1 m) long and 450 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesMerrick Road
CrossesSmith Pond Outlet
Location3.9 MI E NYC Li on RTE 27
RouteCounty Highway 0
Coordinates40.65819, -73.65393
Functional classUrban Minor Arterial

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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span7 ft (2.1 m)
Deck width450 ft (137.2 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,179 (2020)
Projected traffic51,239 by 2041
Trucks3%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$8.8 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Merrick Road over Smith Pond Outlet built?

It was built in 1958, making it 67 years old in 2025.

What condition is Merrick Road over Smith Pond Outlet 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 February 2024.

How much traffic does Merrick Road over Smith Pond Outlet carry?

About 42,179 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Merrick Road over Smith Pond Outlet?

The structure is 33 ft (10.1 m) long with a longest span of 7 ft (2.1 m) and a deck 450 ft wide.

Who owns Merrick Road over Smith Pond Outlet?

It is owned by the County Highway Agency.