US Bridges

RTE 135 over Boundary Avenue

Fair

Nassau County, New York · 1.3 MI N JCT SH 135 & Ssp · Structure no. 000000001037859

Built
1965
60 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
85 ft
1 main span
Daily traffic
76,638
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 135 over Boundary Avenue is a steel stringer/multi-beam or girder carrying RTE 135 over Boundary Avenue in Nassau County, New York. It was built in 1965, so it is 60 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 76,638 vehicles a day, roughly 5% of them trucks, projected to reach 91,160 by 2041. The structure is 85 ft (25.9 m) long and 95 ft wide.

Location

Open in Google Maps
CarriesRTE 135
CrossesBoundary Avenue
Location1.3 MI N JCT SH 135 & Ssp
RouteState Highway 135
CountyNassau County
StateNew York
Coordinates40.71719, -73.47706
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment7: Better than present minimum criteria
Operating rating57.9 US tons
Inventory rating44.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length85 ft (25.9 m)
Longest span81 ft (24.6 m)
Deck width95 ft (29 m)
Roadway width78 ft (23.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic76,638 (2021)
Projected traffic91,160 by 2041
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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$10.4 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 135 over Boundary Avenue built?

It was built in 1965, making it 60 years old in 2025.

What condition is RTE 135 over Boundary 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 April 2023.

How much traffic does RTE 135 over Boundary Avenue carry?

About 76,638 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is RTE 135 over Boundary Avenue?

The structure is 85 ft (25.9 m) long with a longest span of 81 ft (24.6 m) and a deck 95 ft wide.

Who owns RTE 135 over Boundary Avenue?

It is owned by the State Highway Agency.