US Bridges

Twin Elms Lane over Tributary to Hackensack

Good

Rockland County, New York · 2.7 MI N JCT Pip & SH 304 · Structure no. 000000002269890

Built
2002
23 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
2,464
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Twin Elms Lane over Tributary to Hackensack is a concrete culvert carrying Twin Elms Lane over Tributary to Hackensack in Rockland County, New York. It was built in 2002, so it is 23 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 2,464 vehicles a day, roughly 5% of them trucks, projected to reach 3,450 by 2041. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesTwin Elms Lane
CrossesTributary to Hackensack
Location2.7 MI N JCT Pip & SH 304
Coordinates41.1431, -73.9969
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating68 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,464 (2021)
Projected traffic3,450 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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$703,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Twin Elms Lane over Tributary to Hackensack built?

It was built in 2002, making it 23 years old in 2025.

What condition is Twin Elms Lane over Tributary to Hackensack 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 2023.

How much traffic does Twin Elms Lane over Tributary to Hackensack carry?

About 2,464 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Twin Elms Lane over Tributary to Hackensack?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m).

Who owns Twin Elms Lane over Tributary to Hackensack?

It is owned by the Town or Township Highway Agency.