US Bridges

RTE 906B over LIRR Pt Jeff Brch

Good

Nassau County, New York · 1.1 MI E JCT Lie & SH106 · Structure no. 000000001057180

Built
1990
35 years old, rebuilt 2017
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
3,962
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 906B over LIRR Pt Jeff Brch is a prestressed concrete box beam or girders - multiple carrying RTE 906B over LIRR Pt Jeff Brch in Nassau County, New York. It was built in 1990 and reconstructed in 2017, so it is 35 years old, younger 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 3,962 vehicles a day, roughly 5% of them trucks, projected to reach 4,571 by 2041. The structure is 66 ft (20.1 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE 906B
CrossesLIRR Pt Jeff Brch
Location1.1 MI E JCT Lie & SH106
Coordinates40.79321, -73.51591
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64 US tons
Inventory rating46 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span63 ft (19.2 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,962 (2020)
Projected traffic4,571 by 2041
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed0.6 mi (1 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$4.1 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 906B over LIRR Pt Jeff Brch built?

It was built in 1990, making it 35 years old in 2025. It was reconstructed in 2017.

What condition is RTE 906B over LIRR Pt Jeff Brch 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 August 2024.

How much traffic does RTE 906B over LIRR Pt Jeff Brch carry?

About 3,962 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is RTE 906B over LIRR Pt Jeff Brch?

The structure is 66 ft (20.1 m) long with a longest span of 63 ft (19.2 m) and a deck 43 ft wide.

Who owns RTE 906B over LIRR Pt Jeff Brch?

It is owned by the State Highway Agency.