US Bridges

RTE I278 over Third Avenue 18th Stree

Fair

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

Built
1963
62 years old, rebuilt 2013
Condition
Fair
inspected December 2024
Type
Girder and Floorbeam System
Steel
Length
217 ft
2 main spans
Daily traffic
181,470
2017 count
Owner
State
State Highway Agency

About this bridge

RTE I278 over Third Avenue 18th Stree is a steel girder and floorbeam system carrying RTE I278 over Third Avenue 18th Stree 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 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 217 ft (66.1 m) long and 57 ft wide.

CarriesRTE I278
CrossesThird Avenue 18th Stree
LocationJCT Prospect Expy & I278
RouteInterstate 278
Coordinates40.66583, -73.99631
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating74 US tons
Inventory rating44 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2 (+1 approach)
Design loadHS 20
Structure length217 ft (66.1 m)
Longest span85 ft (25.9 m)
Deck width57 ft (17.4 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic181,470 (2017)
Projected traffic231,882 by 2041
Trucks9%
Lanes on structure4
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$11.3 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I278 over Third Avenue 18th Stree built?

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

What condition is RTE I278 over Third Avenue 18th Stree 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 December 2024.

How much traffic does RTE I278 over Third Avenue 18th Stree carry?

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

How long is RTE I278 over Third Avenue 18th Stree?

The structure is 217 ft (66.1 m) long with a longest span of 85 ft (25.9 m) and a deck 57 ft wide.

Who owns RTE I278 over Third Avenue 18th Stree?

It is owned by the State Highway Agency.