US Bridges

RTE I278 over Bronx Kills CSX Harlem

Fair

Queens County, New York · I278 over Hellgate · Structure no. 000000005521889

Built
1936
89 years old, rebuilt 2018
Condition
Fair
inspected November 2024
Type
Suspension
Steel
Length
13,110 ft
3 main spans
Daily traffic
116,151
2020 count
Owner
Toll Authority
Local Toll Authority

About this bridge

RTE I278 over Bronx Kills CSX Harlem is a steel suspension carrying RTE I278 over Bronx Kills CSX Harlem in Queens County, New York. It was built in 1936 and reconstructed in 2018, so it is 89 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 116,151 vehicles a day, roughly 8% of them trucks, projected to reach 148,417 by 2041. The structure is 13,110 ft (3,995.9 m) long and 98 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesRTE I278
CrossesBronx Kills CSX Harlem
LocationI278 over Hellgate
RouteInterstate 278
Coordinates40.79883, -73.91919
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating46 US tons
Inventory rating28 US tons

Structure

Structure typeSuspension
MaterialSteel
DeckOther
Main spans3 (+139 approach)
Design loadHS 20
Structure length13,110 ft (3,995.9 m)
Longest span1,380 ft (420.6 m)
Deck width98 ft (29.9 m)
Roadway width91 ft (27.6 m)
Vertical clearance over deck14 ft (4.4 m)

Traffic and service

Average daily traffic116,151 (2020)
Projected traffic148,417 by 2041
Trucks8%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed9.9 mi (16 km)
TollToll bridge
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerLocal Toll Authority
Maintained byLocal Toll Authority
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$792.8 million (2024 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was RTE I278 over Bronx Kills CSX Harlem built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 2018.

What condition is RTE I278 over Bronx Kills CSX Harlem 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 Bronx Kills CSX Harlem carry?

About 116,151 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is RTE I278 over Bronx Kills CSX Harlem?

The structure is 13,110 ft (3,995.9 m) long with a longest span of 1,380 ft (420.6 m) and a deck 98 ft wide.

Who owns RTE I278 over Bronx Kills CSX Harlem?

It is owned by the Local Toll Authority.