US Bridges

RTE 114 over Sag Harbor Cove

Good

Suffolk County, New York · RTE 114 at Sag Harbor · Structure no. 000000001037060

Built
2000
25 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
449 ft
7 main spans
Daily traffic
5,956
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 114 over Sag Harbor Cove is a prestressed concrete box beam or girders - multiple carrying RTE 114 over Sag Harbor Cove in Suffolk County, New York. It was built in 2000, so it is 25 years old, younger than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,956 vehicles a day, roughly 7% of them trucks, projected to reach 6,872 by 2041. The structure is 449 ft (136.9 m) long and 48 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesRTE 114
CrossesSag Harbor Cove
LocationRTE 114 at Sag Harbor
RouteState Highway 114
Coordinates41.00352, -72.29901
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106 US tons
Inventory rating74 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans7
Design loadHS 25 or greater
Structure length449 ft (136.9 m)
Longest span98 ft (29.9 m)
Deck width48 ft (14.6 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,956 (2020)
Projected traffic6,872 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5.6 mi (9 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$11 million (2024 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was RTE 114 over Sag Harbor Cove built?

It was built in 2000, making it 25 years old in 2025.

What condition is RTE 114 over Sag Harbor Cove in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does RTE 114 over Sag Harbor Cove carry?

About 5,956 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is RTE 114 over Sag Harbor Cove?

The structure is 449 ft (136.9 m) long with a longest span of 98 ft (29.9 m) and a deck 48 ft wide.

Who owns RTE 114 over Sag Harbor Cove?

It is owned by the State Highway Agency.