US Bridges

Wantagh Avenue over RTE 908M

Fair

Nassau County, New York · .7 MI E JCT Rts Ssp+wsp · Structure no. 000000001037089

Built
1956
69 years old
Condition
Fair
inspected February 2024
Type
Arch - Deck
Concrete
Length
87 ft
1 main span
Daily traffic
38,017
2020 count
Owner
State
State Highway Agency

About this bridge

Wantagh Avenue over RTE 908M is a concrete arch - deck carrying Wantagh Avenue over RTE 908M in Nassau County, New York. It was built in 1956, so it is 69 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 38,017 vehicles a day, roughly 1% of them trucks, projected to reach 46,183 by 2041. The structure is 87 ft (26.5 m) long and 69 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesWantagh Avenue
CrossesRTE 908M
Location.7 MI E JCT Rts Ssp+wsp
CountyNassau County
StateNew York
Coordinates40.6997, -73.50645
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum 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 rating99.2 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length87 ft (26.5 m)
Longest span80 ft (24.3 m)
Deck width69 ft (21 m)
Roadway width56 ft (17 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,017 (2020)
Projected traffic46,183 by 2041
Trucks1%
Lanes on structure4
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$8.1 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Wantagh Avenue over RTE 908M built?

It was built in 1956, making it 69 years old in 2025.

What condition is Wantagh Avenue over RTE 908M 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 February 2024.

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

About 38,017 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Wantagh Avenue over RTE 908M?

The structure is 87 ft (26.5 m) long with a longest span of 80 ft (24.3 m) and a deck 69 ft wide.

Who owns Wantagh Avenue over RTE 908M?

It is owned by the State Highway Agency.