US Bridges

Nicolls Road SB over Holbrook Road Holbrook

Fair

Suffolk County, New York · 2 MI S of Holtsville · Structure no. 000000003364451

Built
1973
52 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
178 ft
2 main spans
Daily traffic
33,549
2020 count
Owner
County
County Highway Agency

About this bridge

Nicolls Road SB over Holbrook Road Holbrook is a steel stringer/multi-beam or girder carrying Nicolls Road SB over Holbrook Road Holbrook in Suffolk County, New York. It was built in 1973, so it is 52 years old, younger 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 33,549 vehicles a day, roughly 6% of them trucks, projected to reach 38,708 by 2041. The structure is 178 ft (54.3 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesNicolls Road SB
CrossesHolbrook Road Holbrook
Location2 MI S of Holtsville
RouteCounty Highway 0
CountySuffolk County
StateNew York
Coordinates40.79087, -73.05168
Functional classUrban Other Principal 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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length178 ft (54.3 m)
Longest span87 ft (26.5 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,549 (2020)
Projected traffic38,708 by 2041
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$5.8 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nicolls Road SB over Holbrook Road Holbrook built?

It was built in 1973, making it 52 years old in 2025.

What condition is Nicolls Road SB over Holbrook Road Holbrook 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 Nicolls Road SB over Holbrook Road Holbrook carry?

About 33,549 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Nicolls Road SB over Holbrook Road Holbrook?

The structure is 178 ft (54.3 m) long with a longest span of 87 ft (26.5 m) and a deck 44 ft wide.

Who owns Nicolls Road SB over Holbrook Road Holbrook?

It is owned by the County Highway Agency.