US Bridges

RTE 27 over Barnes Road

Fair

Suffolk County, New York · 1 MI W of Exit 59 of SH27 · Structure no. 000000001019352

Built
1963
62 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
105 ft
3 main spans
Daily traffic
20,515
2019 count
Owner
State
State Highway Agency

About this bridge

RTE 27 over Barnes Road is a steel stringer/multi-beam or girder carrying RTE 27 over Barnes Road in Suffolk County, New York. It was built in 1963, so it is 62 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 20,515 vehicles a day, roughly 6% of them trucks, projected to reach 24,402 by 2041. The structure is 105 ft (32 m) long and 47 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRTE 27
CrossesBarnes Road
Location1 MI W of Exit 59 of SH27
RouteState Highway 27
CountySuffolk County
StateNew York
Coordinates40.81967, -72.83707
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating48 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length105 ft (32 m)
Longest span46 ft (14.1 m)
Deck width47 ft (14.2 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,515 (2019)
Projected traffic24,402 by 2041
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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$3.6 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 27 over Barnes Road built?

It was built in 1963, making it 62 years old in 2025.

What condition is RTE 27 over Barnes Road 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 27 over Barnes Road carry?

About 20,515 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is RTE 27 over Barnes Road?

The structure is 105 ft (32 m) long with a longest span of 46 ft (14.1 m) and a deck 47 ft wide.

Who owns RTE 27 over Barnes Road?

It is owned by the State Highway Agency.