US Bridges

RTE 27 over ST Andrews RD

Fair

Suffolk County, New York · 1.5 MI West of Tuckahoe · Structure no. 000000003300580

Built
2008
17 years old
Condition
Fair
inspected May 2024
Type
Arch - Deck
Concrete
Length
31 ft
1 main span
Daily traffic
53,138
2020 count
Owner
County
County Highway Agency

About this bridge

RTE 27 over ST Andrews RD is a concrete arch - deck carrying RTE 27 over ST Andrews RD in Suffolk County, New York. It was built in 2008, so it is 17 years old, younger 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 53,138 vehicles a day, roughly 5% of them trucks, projected to reach 61,310 by 2041. The structure is 31 ft (9.4 m) long and 64 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE 27
CrossesST Andrews RD
Location1.5 MI West of Tuckahoe
RouteCounty Highway 27
Coordinates40.89162, -72.432
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating50 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length31 ft (9.4 m)
Longest span28 ft (8.5 m)
Deck width64 ft (19.5 m)
Roadway width63 ft (19.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic53,138 (2020)
Projected traffic61,310 by 2041
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.2 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 27 over ST Andrews RD built?

It was built in 2008, making it 17 years old in 2025.

What condition is RTE 27 over ST Andrews RD 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 May 2024.

How much traffic does RTE 27 over ST Andrews RD carry?

About 53,138 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is RTE 27 over ST Andrews RD?

The structure is 31 ft (9.4 m) long with a longest span of 28 ft (8.5 m) and a deck 64 ft wide.

Who owns RTE 27 over ST Andrews RD?

It is owned by the County Highway Agency.