US Bridges

RTE I278 over Hamilton Avenue Relief

Fair

Kings County, New York · JCT Prospect Expy & I278 · Structure no. 00000000106531I

Built
1963
62 years old, rebuilt 2013
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
154 ft
5 main spans
Daily traffic
147,365
2020 count
Owner
State
State Highway Agency

About this bridge

RTE I278 over Hamilton Avenue Relief is a steel stringer/multi-beam or girder carrying RTE I278 over Hamilton Avenue Relief in Kings County, New York. It was built in 1963 and reconstructed in 2013, so it is 62 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 147,365 vehicles a day, roughly 9% of them trucks, projected to reach 188,302 by 2041. The structure is 154 ft (46.9 m) long and 17 ft wide.

Location

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CarriesRTE I278
CrossesHamilton Avenue Relief
LocationJCT Prospect Expy & I278
RouteInterstate 278
CountyKings County
StateNew York
Coordinates40.66623, -73.99628
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating57.5 US tons
Inventory rating44.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length154 ft (46.9 m)
Longest span35 ft (10.7 m)
Deck width17 ft (5.2 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic147,365 (2020)
Projected traffic188,302 by 2041
Trucks9%
Lanes on structure1
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 proposedDeck replacement with only incidental widening
Estimated improvement cost$2.6 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I278 over Hamilton Avenue Relief built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2013.

What condition is RTE I278 over Hamilton Avenue Relief 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 May 2024.

How much traffic does RTE I278 over Hamilton Avenue Relief carry?

About 147,365 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is RTE I278 over Hamilton Avenue Relief?

The structure is 154 ft (46.9 m) long with a longest span of 35 ft (10.7 m) and a deck 17 ft wide.

Who owns RTE I278 over Hamilton Avenue Relief?

It is owned by the State Highway Agency.