US Bridges

RTE I678 over Relief

Fair

Queens County, New York · JCT Gcp & I678 · Structure no. 00000000105591A

Built
1963
62 years old, rebuilt 1995
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
247 ft
4 main spans
Daily traffic
92,583
1999 count
Owner
State
State Highway Agency

About this bridge

RTE I678 over Relief is a steel stringer/multi-beam or girder carrying RTE I678 over Relief in Queens County, New York. It was built in 1963 and reconstructed in 1995, 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 92,583 vehicles a day, roughly 9% of them trucks, projected to reach 129,616 by 2019. The structure is 247 ft (75.3 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE I678
CrossesRelief
LocationJCT Gcp & I678
RouteInterstate 678
Coordinates40.75833, -73.85102
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating48 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length247 ft (75.3 m)
Longest span62 ft (18.9 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic92,583 (1999)
Projected traffic129,616 by 2019
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed0.6 mi (1 km)
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$6.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I678 over Relief built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1995.

What condition is RTE I678 over 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 October 2023.

How much traffic does RTE I678 over Relief carry?

About 92,583 vehicles per day (1999 count), of which roughly 9% are trucks.

How long is RTE I678 over Relief?

The structure is 247 ft (75.3 m) long with a longest span of 62 ft (18.9 m) and a deck 33 ft wide.

Who owns RTE I678 over Relief?

It is owned by the State Highway Agency.