US Bridges

Commack Road over 908M908M07021118 RTE 90

Good

Suffolk County, New York · 1 MI W JCT SH 111 & Hsp · Structure no. 000000001059909

Built
1961
64 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
141 ft
2 main spans
Daily traffic
10,659
2020 count
Owner
State
State Highway Agency

About this bridge

Commack Road over 908M908M07021118 RTE 90 is a steel continuous stringer/multi-beam or girder carrying Commack Road over 908M908M07021118 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 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 10,659 vehicles a day, roughly 3% of them trucks, projected to reach 12,948 by 2041. The structure is 141 ft (43 m) long and 64 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCommack Road
Crosses908M908M07021118 RTE 90
Location1 MI W JCT SH 111 & Hsp
RouteCounty Highway 0
Coordinates40.75476, -73.2281
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.1 US tons
Inventory rating46 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length141 ft (43 m)
Longest span68 ft (20.7 m)
Deck width64 ft (19.6 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,659 (2020)
Projected traffic12,948 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$8.9 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Commack Road over 908M908M07021118 RTE 90 built?

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

What condition is Commack Road over 908M908M07021118 RTE 90 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 December 2024.

How much traffic does Commack Road over 908M908M07021118 RTE 90 carry?

About 10,659 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Commack Road over 908M908M07021118 RTE 90?

The structure is 141 ft (43 m) long with a longest span of 68 ft (20.7 m) and a deck 64 ft wide.

Who owns Commack Road over 908M908M07021118 RTE 90?

It is owned by the State Highway Agency.