US Bridges

RTE I278 over 34th Avenue

Good

Queens County, New York · .1 MI S JCT I278 & SH 25A · Structure no. 000000002230679

Built
1955
70 years old, rebuilt 2004
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
101 ft
1 main span
Daily traffic
143,258
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

RTE I278 over 34th Avenue is a steel stringer/multi-beam or girder carrying RTE I278 over 34th Avenue in Queens County, New York. It was built in 1955 and reconstructed in 2004, so it is 70 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 143,258 vehicles a day, roughly 8% of them trucks, projected to reach 183,055 by 2041. The structure is 101 ft (30.8 m) long and 146 ft wide.

CarriesRTE I278
Crosses34th Avenue
Location.1 MI S JCT I278 & SH 25A
RouteInterstate 278
Coordinates40.75241, -73.89772
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating85 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length101 ft (30.8 m)
Longest span98 ft (29.9 m)
Deck width146 ft (44.5 m)
Roadway width121 ft (36.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic143,258 (2020)
Projected traffic183,055 by 2041
Trucks8%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$20.5 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I278 over 34th Avenue built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 2004.

What condition is RTE I278 over 34th Avenue in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does RTE I278 over 34th Avenue carry?

About 143,258 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is RTE I278 over 34th Avenue?

The structure is 101 ft (30.8 m) long with a longest span of 98 ft (29.9 m) and a deck 146 ft wide.

Who owns RTE I278 over 34th Avenue?

It is owned by the City or Municipal Highway Agency.