US Bridges

RTE 114 over Chase Creek

Good

Suffolk County, New York · SH 114 at Shelter Island · Structure no. 000000001037070

Built
1994
31 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
2,974
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 114 over Chase Creek is a prestressed concrete box beam or girders - multiple carrying RTE 114 over Chase Creek in Suffolk County, New York. It was built in 1994, so it is 31 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 2,974 vehicles a day, roughly 6% of them trucks, projected to reach 3,003 by 2041. The structure is 42 ft (12.8 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRTE 114
CrossesChase Creek
LocationSH 114 at Shelter Island
RouteState Highway 114
Coordinates41.08353, -72.35261
Functional classRural Minor 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100 US tons
Inventory rating41 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length42 ft (12.8 m)
Longest span40 ft (12.1 m)
Deck width36 ft (11.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,974 (2020)
Projected traffic3,003 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$2.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 114 over Chase Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is RTE 114 over Chase Creek 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 September 2024.

How much traffic does RTE 114 over Chase Creek carry?

About 2,974 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is RTE 114 over Chase Creek?

The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.1 m) and a deck 36 ft wide.

Who owns RTE 114 over Chase Creek?

It is owned by the State Highway Agency.