US Bridges

Lillian Drive over Pascack Brook

Fair

Rockland County, New York · 6.2 MI SW of Nyack · Structure no. 000000003224160

Built
1960
65 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Concrete
Length
28 ft
1 main span
Daily traffic
675
2018 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lillian Drive over Pascack Brook is a concrete tee beam carrying Lillian Drive over Pascack Brook in Rockland County, New York. It was built in 1960, so it is 65 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 5 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 675 vehicles a day, roughly 5% of them trucks, projected to reach 945 by 2038. The structure is 28 ft (8.5 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLillian Drive
CrossesPascack Brook
Location6.2 MI SW of Nyack
Coordinates41.08351, -74.04165
Functional classUrban Local

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating86.4 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span27 ft (8.2 m)
Deck width40 ft (12.2 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic675 (2018)
Projected traffic945 by 2038
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lillian Drive over Pascack Brook built?

It was built in 1960, making it 65 years old in 2025.

What condition is Lillian Drive over Pascack Brook 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 June 2023.

How much traffic does Lillian Drive over Pascack Brook carry?

About 675 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Lillian Drive over Pascack Brook?

The structure is 28 ft (8.5 m) long with a longest span of 27 ft (8.2 m) and a deck 40 ft wide.

Who owns Lillian Drive over Pascack Brook?

It is owned by the Town or Township Highway Agency.