US Bridges

Nsp WB to 495I WB over RTE 906A

Fair

Nassau County, New York · RTE 495-5.2 MI NE Qns Cl · Structure no. 000000001050490

Built
1959
66 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
145 ft
3 main spans
Daily traffic
—
2018 count
Owner
State
State Highway Agency

About this bridge

Nsp WB to 495I WB over RTE 906A is a steel stringer/multi-beam or girder carrying Nsp WB to 495I WB over RTE 906A in Nassau County, New York. It was built in 1959, so it is 66 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.

No traffic count is recorded. The structure is 145 ft (44.2 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesNsp WB to 495I WB
CrossesRTE 906A
LocationRTE 495-5.2 MI NE Qns Cl
Coordinates40.78298, -73.62612
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length145 ft (44.2 m)
Longest span57 ft (17.3 m)
Deck width41 ft (12.4 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic—
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate 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$4.2 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nsp WB to 495I WB over RTE 906A built?

It was built in 1959, making it 66 years old in 2025.

What condition is Nsp WB to 495I WB over RTE 906A 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 April 2023.

How much traffic does Nsp WB to 495I WB over RTE 906A carry?

No traffic count is recorded for this structure.

How long is Nsp WB to 495I WB over RTE 906A?

The structure is 145 ft (44.2 m) long with a longest span of 57 ft (17.3 m) and a deck 41 ft wide.

Who owns Nsp WB to 495I WB over RTE 906A?

It is owned by the State Highway Agency.