US Bridges

RTE 908E over Sloop Channel

Fair

Nassau County, New York · Near East Bay in Nassau · Structure no. 000000001059129

Built
1934
91 years old, rebuilt 1993
Condition
Fair
inspected March 2024
Type
Movable - Bascule
Steel
Length
1,481 ft
1 main span
Daily traffic
17,012
2019 count
Owner
State
State Highway Agency

About this bridge

RTE 908E over Sloop Channel is a steel movable - bascule carrying RTE 908E over Sloop Channel in Nassau County, New York. It was built in 1934 and reconstructed in 1993, 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 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 17,012 vehicles a day, roughly 1% of them trucks, projected to reach 20,235 by 2041. The structure is 1,481 ft (451.4 m) long and 78 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesRTE 908E
CrossesSloop Channel
LocationNear East Bay in Nassau
RouteState Highway 908E
CountyNassau County
StateNew York
Coordinates40.60091, -73.54354
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating31 US tons

Structure

Structure typeMovable - Bascule
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+43 approach)
Design loadHS 20
Structure length1,481 ft (451.4 m)
Longest span93 ft (28.3 m)
Deck width78 ft (23.9 m)
Roadway width71 ft (21.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,012 (2019)
Projected traffic20,235 by 2041
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$189.2 million (2024 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was RTE 908E over Sloop Channel built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1993.

What condition is RTE 908E over Sloop Channel 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 March 2024.

How much traffic does RTE 908E over Sloop Channel carry?

About 17,012 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is RTE 908E over Sloop Channel?

The structure is 1,481 ft (451.4 m) long with a longest span of 93 ft (28.3 m) and a deck 78 ft wide.

Who owns RTE 908E over Sloop Channel?

It is owned by the State Highway Agency.