US Bridges

RTE 25B over RTE 908G

Good

Nassau County, New York · RTE 25B+NSP WB · Structure no. 000000001057399

Built
1958
67 years old
Condition
Good
inspected March 2023
Type
Arch - Deck
Concrete
Length
71 ft
1 main span
Daily traffic
12,715
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 25B over RTE 908G is a concrete arch - deck carrying RTE 25B over RTE 908G in Nassau County, New York. It was built in 1958, so it is 67 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 12,715 vehicles a day, roughly 3% of them trucks, projected to reach 14,670 by 2041. The structure is 71 ft (21.6 m) long and 78 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRTE 25B
CrossesRTE 908G
LocationRTE 25B+NSP WB
RouteState Highway 25B
Coordinates40.75994, -73.62346
Functional classUrban Other Principal 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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than 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 rating68 US tons
Inventory rating49.1 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length71 ft (21.6 m)
Longest span65 ft (19.8 m)
Deck width78 ft (23.7 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,715 (2020)
Projected traffic14,670 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 SystemYes

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 RTE 25B over RTE 908G built?

It was built in 1958, making it 67 years old in 2025.

What condition is RTE 25B over RTE 908G 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 March 2023.

How much traffic does RTE 25B over RTE 908G carry?

About 12,715 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is RTE 25B over RTE 908G?

The structure is 71 ft (21.6 m) long with a longest span of 65 ft (19.8 m) and a deck 78 ft wide.

Who owns RTE 25B over RTE 908G?

It is owned by the State Highway Agency.