US Bridges

RTE 231 over 27 27 07051065 27 27

Fair

Suffolk County, New York · JCT SH 231 & SH 27 · Structure no. 000000001018341

Built
1971
54 years old, rebuilt 1996
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
280 ft
4 main spans
Daily traffic
14,099
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 231 over 27 27 07051065 27 27 is a steel stringer/multi-beam or girder carrying RTE 231 over 27 27 07051065 27 27 in Suffolk County, New York. It was built in 1971 and reconstructed in 1996, so it is 54 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 14,099 vehicles a day, roughly 6% of them trucks, projected to reach 17,127 by 2041. The structure is 280 ft (85.3 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE 231
Crosses27 27 07051065 27 27
LocationJCT SH 231 & SH 27
RouteState Highway 231
Coordinates40.7178, -73.31435
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92 US tons
Inventory rating51 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length280 ft (85.3 m)
Longest span81 ft (24.6 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,099 (2020)
Projected traffic17,127 by 2041
Trucks6%
Lanes on structure3
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$7.9 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 231 over 27 27 07051065 27 27 built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 1996.

What condition is RTE 231 over 27 27 07051065 27 27 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 July 2024.

How much traffic does RTE 231 over 27 27 07051065 27 27 carry?

About 14,099 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is RTE 231 over 27 27 07051065 27 27?

The structure is 280 ft (85.3 m) long with a longest span of 81 ft (24.6 m) and a deck 43 ft wide.

Who owns RTE 231 over 27 27 07051065 27 27?

It is owned by the State Highway Agency.