US Bridges

Townline Road over Nauraushaun Brook

Fair

Rockland County, New York · 3.8 MI W of South Nyack · Structure no. 000000003364750

Built
1974
51 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
29 ft
1 main span
Daily traffic
5,423
2021 count
Owner
County
County Highway Agency

About this bridge

Townline Road over Nauraushaun Brook is a concrete culvert carrying Townline Road over Nauraushaun Brook in Rockland County, New York. It was built in 1974, so it is 51 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 5,423 vehicles a day, roughly 5% of them trucks, projected to reach 6,587 by 2041. The structure is 29 ft (8.8 m) long and 52 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesTownline Road
CrossesNauraushaun Brook
Location3.8 MI W of South Nyack
CountyRockland County
StateNew York
Coordinates41.07878, -73.99745
Functional classUrban Minor 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating58 US tons
Inventory rating39 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span27 ft (8.2 m)
Deck width52 ft (15.8 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,423 (2021)
Projected traffic6,587 by 2041
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

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$1.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Townline Road over Nauraushaun Brook built?

It was built in 1974, making it 51 years old in 2025.

What condition is Townline Road over Nauraushaun 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 July 2023.

How much traffic does Townline Road over Nauraushaun Brook carry?

About 5,423 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Townline Road over Nauraushaun Brook?

The structure is 29 ft (8.8 m) long with a longest span of 27 ft (8.2 m) and a deck 52 ft wide.

Who owns Townline Road over Nauraushaun Brook?

It is owned by the County Highway Agency.