US Bridges

RTE 27 over Canal Road East Shinnec

Fair

Suffolk County, New York · 2 MI E JCT SH 24 & SH 27 · Structure no. 000000001019439

Built
1960
65 years old, rebuilt 1999
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
369 ft
3 main spans
Daily traffic
39,182
2019 count
Owner
State
State Highway Agency

About this bridge

RTE 27 over Canal Road East Shinnec is a steel stringer/multi-beam or girder carrying RTE 27 over Canal Road East Shinnec in Suffolk County, New York. It was built in 1960 and reconstructed in 1999, so it is 65 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 39,182 vehicles a day, roughly 6% of them trucks, projected to reach 46,606 by 2041. The structure is 369 ft (112.5 m) long and 91 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesRTE 27
CrossesCanal Road East Shinnec
Location2 MI E JCT SH 24 & SH 27
RouteState Highway 27
CountySuffolk County
StateNew York
Coordinates40.89003, -72.50098
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length369 ft (112.5 m)
Longest span164 ft (49.9 m)
Deck width91 ft (27.7 m)
Roadway width82 ft (25 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 and waterway
Detour if closed3.7 mi (6 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$21.7 million (2024 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was RTE 27 over Canal Road East Shinnec built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1999.

What condition is RTE 27 over Canal Road East Shinnec 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 October 2023.

How much traffic does RTE 27 over Canal Road East Shinnec carry?

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

How long is RTE 27 over Canal Road East Shinnec?

The structure is 369 ft (112.5 m) long with a longest span of 164 ft (49.9 m) and a deck 91 ft wide.

Who owns RTE 27 over Canal Road East Shinnec?

It is owned by the State Highway Agency.