US Bridges

RTE 27 over North RD

Poor

Suffolk County, New York · 3.3MI W of Tuckah · Structure no. 000000001019449

Built
1959
66 years old
Condition
Poor
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
209 ft
3 main spans
Daily traffic
39,182
2019 count
Owner
State
State Highway Agency

About this bridge

RTE 27 over North RD is a steel stringer/multi-beam or girder carrying RTE 27 over North RD in Suffolk County, New York. It was built in 1959, so it is 66 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 39,182 vehicles a day, roughly 6% of them trucks, projected to reach 46,606 by 2041. The structure is 209 ft (63.7 m) long and 91 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE 27
CrossesNorth RD
Location3.3MI W of Tuckah
RouteState Highway 27
Coordinates40.89039, -72.49813
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating37 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length209 ft (63.7 m)
Longest span97 ft (29.5 m)
Deck width91 ft (27.7 m)
Roadway width82 ft (24.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,182 (2019)
Projected traffic46,606 by 2041
Trucks6%
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

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$14.1 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 27 over North RD built?

It was built in 1959, making it 66 years old in 2025.

What condition is RTE 27 over North RD in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2023.

How much traffic does RTE 27 over North RD carry?

About 39,182 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is RTE 27 over North RD?

The structure is 209 ft (63.7 m) long with a longest span of 97 ft (29.5 m) and a deck 91 ft wide.

Who owns RTE 27 over North RD?

It is owned by the State Highway Agency.