US Bridges

Nicolls Road SB over Portion Road Portion Ro

Fair

Suffolk County, New York · 1 MI W of Farmingville · Structure no. 000000003364381

Built
1970
55 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
172 ft
4 main spans
Daily traffic
36,843
2020 count
Owner
County
County Highway Agency

About this bridge

Nicolls Road SB over Portion Road Portion Ro is a steel stringer/multi-beam or girder carrying Nicolls Road SB over Portion Road Portion Ro in Suffolk County, New York. It was built in 1970, so it is 55 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 36,843 vehicles a day, roughly 4% of them trucks, projected to reach 42,509 by 2041. The structure is 172 ft (52.4 m) long and 59 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesNicolls Road SB
CrossesPortion Road Portion Ro
Location1 MI W of Farmingville
CountySuffolk County
StateNew York
Coordinates40.8355, -73.05682
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating59 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length172 ft (52.4 m)
Longest span53 ft (16.1 m)
Deck width59 ft (17.9 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,843 (2020)
Projected traffic42,509 by 2041
Trucks4%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
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$7.1 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nicolls Road SB over Portion Road Portion Ro built?

It was built in 1970, making it 55 years old in 2025.

What condition is Nicolls Road SB over Portion Road Portion Ro 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 February 2024.

How much traffic does Nicolls Road SB over Portion Road Portion Ro carry?

About 36,843 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nicolls Road SB over Portion Road Portion Ro?

The structure is 172 ft (52.4 m) long with a longest span of 53 ft (16.1 m) and a deck 59 ft wide.

Who owns Nicolls Road SB over Portion Road Portion Ro?

It is owned by the County Highway Agency.