US Bridges

RTE 25 over Long Island- Main

Good

Suffolk County, New York · 0.2 MI N Int Sage Blvd · Structure no. 000000001060890

Built
2009
16 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
111 ft
1 main span
Daily traffic
10,635
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 25 over Long Island- Main is a steel stringer/multi-beam or girder carrying RTE 25 over Long Island- Main in Suffolk County, New York. It was built in 2009, so it is 16 years old, younger than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,635 vehicles a day, roughly 8% of them trucks, projected to reach 12,919 by 2041. The structure is 111 ft (33.8 m) long and 44 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesRTE 25
CrossesLong Island- Main
Location0.2 MI N Int Sage Blvd
RouteState Highway 25
CountySuffolk County
StateNew York
Coordinates41.08493, -72.39248
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length111 ft (33.8 m)
Longest span108 ft (32.9 m)
Deck width44 ft (13.4 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,635 (2020)
Projected traffic12,919 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

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$5.6 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 25 over Long Island- Main built?

It was built in 2009, making it 16 years old in 2025.

What condition is RTE 25 over Long Island- Main in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does RTE 25 over Long Island- Main carry?

About 10,635 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is RTE 25 over Long Island- Main?

The structure is 111 ft (33.8 m) long with a longest span of 108 ft (32.9 m) and a deck 44 ft wide.

Who owns RTE 25 over Long Island- Main?

It is owned by the State Highway Agency.