US Bridges

Wellwood Avenue over RTE 908M

Good

Suffolk County, New York · .7 MI E JCT SH 109 & Ssp · Structure no. 000000001059760

Built
1934
91 years old, rebuilt 2008
Condition
Good
inspected November 2024
Type
Arch - Deck
Concrete
Length
66 ft
1 main span
Daily traffic
21,558
2021 count
Owner
State
State Highway Agency

About this bridge

Wellwood Avenue over RTE 908M is a concrete arch - deck carrying Wellwood Avenue over RTE 908M in Suffolk County, New York. It was built in 1934 and reconstructed in 2008, so it is 91 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 21,558 vehicles a day, roughly 7% of them trucks, projected to reach 26,188 by 2041. The structure is 66 ft (20.1 m) long and 83 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWellwood Avenue
CrossesRTE 908M
Location.7 MI E JCT SH 109 & Ssp
RouteCounty Highway 0
Coordinates40.72123, -73.39448
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
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.6 US tons
Inventory rating22.4 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length66 ft (20.1 m)
Longest span60 ft (18.3 m)
Deck width83 ft (25.2 m)
Roadway width67 ft (20.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,558 (2021)
Projected traffic26,188 by 2041
Trucks7%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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$7.7 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Wellwood Avenue over RTE 908M built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 2008.

What condition is Wellwood Avenue over RTE 908M 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 November 2024.

How much traffic does Wellwood Avenue over RTE 908M carry?

About 21,558 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is Wellwood Avenue over RTE 908M?

The structure is 66 ft (20.1 m) long with a longest span of 60 ft (18.3 m) and a deck 83 ft wide.

Who owns Wellwood Avenue over RTE 908M?

It is owned by the State Highway Agency.