US Bridges

Carleton Avenue over 908M908M07021134 RTE 90

Fair

Suffolk County, New York · 2.5 MI E JCT SH 111 & Hsp · Structure no. 000000001059919

Built
1961
64 years old
Condition
Fair
inspected May 2023
Type
Frame
Concrete Continuous
Length
114 ft
2 main spans
Daily traffic
21,652
2018 count
Owner
State
State Highway Agency

About this bridge

Carleton Avenue over 908M908M07021134 RTE 90 is a concrete continuous frame carrying Carleton Avenue over 908M908M07021134 RTE 90 in Suffolk County, New York. It was built in 1961, so it is 64 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 21,652 vehicles a day, roughly 2% of them trucks, projected to reach 26,302 by 2041. The structure is 114 ft (34.7 m) long and 65 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCarleton Avenue
Crosses908M908M07021134 RTE 90
Location2.5 MI E JCT SH 111 & Hsp
RouteCounty Highway 0
CountySuffolk County
StateNew York
Coordinates40.75658, -73.19547
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.4 US tons
Inventory rating36 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length114 ft (34.7 m)
Longest span57 ft (17.4 m)
Deck width65 ft (19.8 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,652 (2018)
Projected traffic26,302 by 2041
Trucks2%
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$6.7 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Carleton Avenue over 908M908M07021134 RTE 90 built?

It was built in 1961, making it 64 years old in 2025.

What condition is Carleton Avenue over 908M908M07021134 RTE 90 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 May 2023.

How much traffic does Carleton Avenue over 908M908M07021134 RTE 90 carry?

About 21,652 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is Carleton Avenue over 908M908M07021134 RTE 90?

The structure is 114 ft (34.7 m) long with a longest span of 57 ft (17.4 m) and a deck 65 ft wide.

Who owns Carleton Avenue over 908M908M07021134 RTE 90?

It is owned by the State Highway Agency.