US Bridges

RTE I278 over Adelphi Street Carlton

Fair

Kings County, New York · 3.9 MI SW JCT I278 & I495 · Structure no. 000000001065399

Built
1960
65 years old, rebuilt 2010
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
4,810 ft
70 main spans
Daily traffic
129,323
2020 count
Owner
State
State Highway Agency

About this bridge

RTE I278 over Adelphi Street Carlton is a steel stringer/multi-beam or girder carrying RTE I278 over Adelphi Street Carlton in Kings County, New York. It was built in 1960 and reconstructed in 2010, 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 129,323 vehicles a day, roughly 12% of them trucks, projected to reach 165,248 by 2041. The structure is 4,810 ft (1,466.1 m) long and 96 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRTE I278
CrossesAdelphi Street Carlton
Location3.9 MI SW JCT I278 & I495
RouteInterstate 278
CountyKings County
StateNew York
Coordinates40.69668, -73.98096
Functional classUrban Principal Arterial - Interstate

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59 US tons
Inventory rating35.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans70
Design loadHS 25 or greater
Structure length4,810 ft (1,466.1 m)
Longest span91 ft (27.7 m)
Deck width96 ft (29.4 m)
Roadway width93 ft (28.4 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic129,323 (2020)
Projected traffic165,248 by 2041
Trucks12%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$349.4 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I278 over Adelphi Street Carlton built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2010.

What condition is RTE I278 over Adelphi Street Carlton 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 January 2024.

How much traffic does RTE I278 over Adelphi Street Carlton carry?

About 129,323 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is RTE I278 over Adelphi Street Carlton?

The structure is 4,810 ft (1,466.1 m) long with a longest span of 91 ft (27.7 m) and a deck 96 ft wide.

Who owns RTE I278 over Adelphi Street Carlton?

It is owned by the State Highway Agency.