US Bridges

109th Avenue over RTE I678 RTE I678 Nynj

Good

Queens County, New York · 1.7 MI SE JCT I678 & SH25 · Structure no. 000000001055660

Built
1948
77 years old, rebuilt 2022
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
157 ft
2 main spans
Daily traffic
5,886
2017 count
Owner
State
State Highway Agency

About this bridge

109th Avenue over RTE I678 RTE I678 Nynj is a steel continuous stringer/multi-beam or girder carrying 109th Avenue over RTE I678 RTE I678 Nynj in Queens County, New York. It was built in 1948 and reconstructed in 2022, so it is 77 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 5,886 vehicles a day, roughly 3% of them trucks, projected to reach 8,240 by 2037. The structure is 157 ft (48 m) long and 85 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Carries109th Avenue
CrossesRTE I678 RTE I678 Nynj
Location1.7 MI SE JCT I678 & SH25
RouteCity Street 0
Coordinates40.68707, -73.80795
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.1 US tons
Inventory rating43.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length157 ft (48 m)
Longest span79 ft (24.1 m)
Deck width85 ft (25.8 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deck17 ft (5.1 m)

Traffic and service

Average daily traffic5,886 (2017)
Projected traffic8,240 by 2037
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

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$14.5 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was 109th Avenue over RTE I678 RTE I678 Nynj built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 2022.

What condition is 109th Avenue over RTE I678 RTE I678 Nynj 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 February 2025.

How much traffic does 109th Avenue over RTE I678 RTE I678 Nynj carry?

About 5,886 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is 109th Avenue over RTE I678 RTE I678 Nynj?

The structure is 157 ft (48 m) long with a longest span of 79 ft (24.1 m) and a deck 85 ft wide.

Who owns 109th Avenue over RTE I678 RTE I678 Nynj?

It is owned by the State Highway Agency.