US Bridges

RTE 908 over Sloop Channel

Good

Nassau County, New York · Jones Beach · Structure no. 000000001058499

Built
2008
17 years old
Condition
Good
inspected September 2024
Type
Movable - Bascule
Steel
Length
706 ft
1 main span
Daily traffic
15,230
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 908 over Sloop Channel is a steel movable - bascule carrying RTE 908 over Sloop Channel in Nassau County, New York. It was built in 2008, so it is 17 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 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 15,230 vehicles a day, roughly 1% of them trucks, projected to reach 18,116 by 2041. The structure is 706 ft (215.2 m) long and 106 ft wide. If it were closed, the detour would be 20.5 mi (33 km).

Location

Open in Google Maps
CarriesRTE 908
CrossesSloop Channel
LocationJones Beach
RouteState Highway 908
CountyNassau County
StateNew York
Coordinates40.6144, -73.50069
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating47 US tons

Structure

Structure typeMovable - Bascule
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+10 approach)
Design loadHS 25 or greater
Structure length706 ft (215.2 m)
Longest span105 ft (32 m)
Deck width106 ft (32.2 m)
Roadway width81 ft (24.6 m)
Vertical clearance over deck18 ft (5.5 m)

Traffic and service

Average daily traffic15,230 (2020)
Projected traffic18,116 by 2041
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed20.5 mi (33 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$124.7 million (2024 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was RTE 908 over Sloop Channel built?

It was built in 2008, making it 17 years old in 2025.

What condition is RTE 908 over Sloop Channel 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 September 2024.

How much traffic does RTE 908 over Sloop Channel carry?

About 15,230 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is RTE 908 over Sloop Channel?

The structure is 706 ft (215.2 m) long with a longest span of 105 ft (32 m) and a deck 106 ft wide.

Who owns RTE 908 over Sloop Channel?

It is owned by the State Highway Agency.