US Bridges

RTE I278 over Nassau Street Concord S

Fair

Kings County, New York · .6 MI SE I278+BKLYN Br · Structure no. 000000002230510

Built
1956
69 years old, rebuilt 2008
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
682 ft
6 main spans
Daily traffic
129,323
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

RTE I278 over Nassau Street Concord S is a steel stringer/multi-beam or girder carrying RTE I278 over Nassau Street Concord S in Kings County, New York. It was built in 1956 and reconstructed in 2008, so it is 69 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 129,323 vehicles a day, roughly 12% of them trucks, projected to reach 165,248 by 2041. The structure is 682 ft (207.9 m) long and 76 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRTE I278
CrossesNassau Street Concord S
Location.6 MI SE I278+BKLYN Br
RouteInterstate 278
CountyKings County
StateNew York
Coordinates40.69837, -73.98297
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
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 rating110.1 US tons
Inventory rating74 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length682 ft (207.9 m)
Longest span144 ft (43.8 m)
Deck width76 ft (23.1 m)
Roadway width71 ft (21.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic129,323 (2020)
Projected traffic165,248 by 2041
Trucks12%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
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$43 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I278 over Nassau Street Concord S built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2008.

What condition is RTE I278 over Nassau Street Concord S 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 September 2024.

How much traffic does RTE I278 over Nassau Street Concord S carry?

About 129,323 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is RTE I278 over Nassau Street Concord S?

The structure is 682 ft (207.9 m) long with a longest span of 144 ft (43.8 m) and a deck 76 ft wide.

Who owns RTE I278 over Nassau Street Concord S?

It is owned by the City or Municipal Highway Agency.