US Bridges

RTE 906B over Washington Avenue

Fair

Nassau County, New York · 1.2 MI E JCT Nsp & I495 · Structure no. 000000001057240

Built
1997
28 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
93 ft
1 main span
Daily traffic
5,511
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 906B over Washington Avenue is a prestressed concrete box beam or girders - multiple carrying RTE 906B over Washington Avenue in Nassau County, New York. It was built in 1997, so it is 28 years old, younger 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 5,511 vehicles a day, roughly 4% of them trucks, projected to reach 6,358 by 2041. The structure is 93 ft (28.3 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRTE 906B
CrossesWashington Avenue
Location1.2 MI E JCT Nsp & I495
RouteState Highway 906B
CountyNassau County
StateNew York
Coordinates40.78979, -73.45547
Functional classUrban Other Principal Arterial

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.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 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 rating45 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length93 ft (28.3 m)
Longest span90 ft (27.4 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,511 (2020)
Projected traffic6,358 by 2041
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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$3.3 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 906B over Washington Avenue built?

It was built in 1997, making it 28 years old in 2025.

What condition is RTE 906B over Washington Avenue 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 906B over Washington Avenue carry?

About 5,511 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is RTE 906B over Washington Avenue?

The structure is 93 ft (28.3 m) long with a longest span of 90 ft (27.4 m) and a deck 41 ft wide.

Who owns RTE 906B over Washington Avenue?

It is owned by the State Highway Agency.