US Bridges

RTE I278 over At Clinton ST

Fair

Kings County, New York · Gowanus EB to Bqe EB · Structure no. 00000000106531N

Built
1964
61 years old, rebuilt 2006
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
446 ft
9 main spans
Daily traffic
181,470
2017 count
Owner
State
State Highway Agency

About this bridge

RTE I278 over At Clinton ST is a steel stringer/multi-beam or girder carrying RTE I278 over At Clinton ST in Kings County, New York. It was built in 1964 and reconstructed in 2006, so it is 61 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 5 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 181,470 vehicles a day, roughly 9% of them trucks, projected to reach 231,882 by 2041. The structure is 446 ft (135.9 m) long and 56 ft wide.

CarriesRTE I278
CrossesAt Clinton ST
LocationGowanus EB to Bqe EB
RouteInterstate 278
Coordinates40.67597, -74.0012
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating72 US tons
Inventory rating43 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length446 ft (135.9 m)
Longest span49 ft (14.9 m)
Deck width56 ft (17.1 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic181,470 (2017)
Projected traffic231,882 by 2041
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$20.1 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I278 over At Clinton ST built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2006.

What condition is RTE I278 over At Clinton ST 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 November 2024.

How much traffic does RTE I278 over At Clinton ST carry?

About 181,470 vehicles per day (2017 count), of which roughly 9% are trucks.

How long is RTE I278 over At Clinton ST?

The structure is 446 ft (135.9 m) long with a longest span of 49 ft (14.9 m) and a deck 56 ft wide.

Who owns RTE I278 over At Clinton ST?

It is owned by the State Highway Agency.