US Bridges

Woodside Ave over Irs Road

Fair

Suffolk County, New York · 2 MI S of Holtsville · Structure no. 000000003364509

Built
1975
50 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
5,524
2020 count
Owner
County
County Highway Agency

About this bridge

Woodside Ave over Irs Road is a steel stringer/multi-beam or girder carrying Woodside Ave over Irs Road in Suffolk County, New York. It was built in 1975, so it is 50 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 5,524 vehicles a day, roughly 5% of them trucks, projected to reach 6,710 by 2041. The structure is 50 ft (15.2 m) long and 87 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesWoodside Ave
CrossesIrs Road
Location2 MI S of Holtsville
RouteCounty Highway 0
CountySuffolk County
StateNew York
Coordinates40.79059, -73.04226
Functional classUrban Minor 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103 US tons
Inventory rating61.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span47 ft (14.3 m)
Deck width87 ft (26.5 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,524 (2020)
Projected traffic6,710 by 2041
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$6.2 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Woodside Ave over Irs Road built?

It was built in 1975, making it 50 years old in 2025.

What condition is Woodside Ave over Irs Road 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 March 2024.

How much traffic does Woodside Ave over Irs Road carry?

About 5,524 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Woodside Ave over Irs Road?

The structure is 50 ft (15.2 m) long with a longest span of 47 ft (14.3 m) and a deck 87 ft wide.

Who owns Woodside Ave over Irs Road?

It is owned by the County Highway Agency.