US Bridges

North Main Street over Demarest Kill

Fair

Rockland County, New York · At New City · Structure no. 000000003369370

Built
1994
31 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
12,442
2009 count
Owner
County
County Highway Agency

About this bridge

North Main Street over Demarest Kill is a concrete culvert carrying North Main Street over Demarest Kill in Rockland County, New York. It was built in 1994, so it is 31 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 12,442 vehicles a day, roughly 4% of them trucks, projected to reach 15,114 by 2041. The structure is 25 ft (7.6 m) long.

CarriesNorth Main Street
CrossesDemarest Kill
LocationAt New City
Coordinates41.14884, -73.98927
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 inspectionJune 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
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating31 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length25 ft (7.6 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,442 (2009)
Projected traffic15,114 by 2041
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
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$697,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was North Main Street over Demarest Kill built?

It was built in 1994, making it 31 years old in 2025.

What condition is North Main Street over Demarest Kill 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 North Main Street over Demarest Kill carry?

About 12,442 vehicles per day (2009 count), of which roughly 4% are trucks.

How long is North Main Street over Demarest Kill?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.6 m).

Who owns North Main Street over Demarest Kill?

It is owned by the County Highway Agency.