US Bridges

Merrick Avenue over RTE 908M

Good

Nassau County, New York · 2.4 MI W JCT Ssp & Wsp · Structure no. 000000001059590

Built
1956
69 years old
Condition
Good
inspected June 2023
Type
Arch - Deck
Concrete
Length
76 ft
1 main span
Daily traffic
18,928
2019 count
Owner
State
State Highway Agency

About this bridge

Merrick Avenue over RTE 908M is a concrete arch - deck carrying Merrick 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 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 18,928 vehicles a day, roughly 3% of them trucks, projected to reach 22,993 by 2041. The structure is 76 ft (23.2 m) long and 69 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMerrick Avenue
CrossesRTE 908M
Location2.4 MI W JCT Ssp & Wsp
RouteCounty Highway 0
Coordinates40.68983, -73.56289
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span71 ft (21.6 m)
Deck width69 ft (21 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,928 (2019)
Projected traffic22,993 by 2041
Trucks3%
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$7.3 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Merrick Avenue over RTE 908M built?

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

What condition is Merrick 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 June 2023.

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

About 18,928 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is Merrick Avenue over RTE 908M?

The structure is 76 ft (23.2 m) long with a longest span of 71 ft (21.6 m) and a deck 69 ft wide.

Who owns Merrick Avenue over RTE 908M?

It is owned by the State Highway Agency.