US Bridges

RTE 27 over Smith Pond Outlet

Fair

Nassau County, New York · 3.9 MI E NYC Li on RTE 27 · Structure no. 000000001018179

Built
1939
86 years old, rebuilt 1958
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
37,189
2019 count
Owner
State
State Highway Agency

About this bridge

RTE 27 over Smith Pond Outlet is a concrete culvert carrying RTE 27 over Smith Pond Outlet in Nassau County, New York. It was built in 1939 and reconstructed in 1958, so it is 86 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 37,189 vehicles a day, roughly 6% of them trucks, projected to reach 42,908 by 2041. The structure is 28 ft (8.4 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE 27
CrossesSmith Pond Outlet
Location3.9 MI E NYC Li on RTE 27
RouteState Highway 27
Coordinates40.65718, -73.65338
Functional classUrban Other Principal 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 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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating79 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length28 ft (8.4 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,189 (2019)
Projected traffic42,908 by 2041
Trucks6%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.8 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 27 over Smith Pond Outlet built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1958.

What condition is RTE 27 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 September 2023.

How much traffic does RTE 27 over Smith Pond Outlet carry?

About 37,189 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is RTE 27 over Smith Pond Outlet?

The structure is 28 ft (8.4 m) long with a longest span of 12 ft (3.7 m).

Who owns RTE 27 over Smith Pond Outlet?

It is owned by the State Highway Agency.