US Bridges

Chestnut Ridge RD over 684I684I87011124 RTE I6

Fair

Westchester County, New York · 3.9 MI N Exit 3 of I684 · Structure no. 000000001053060

Built
1971
54 years old, rebuilt 2001
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
243 ft
2 main spans
Daily traffic
589
2017 count
Owner
State
State Highway Agency

About this bridge

Chestnut Ridge RD over 684I684I87011124 RTE I6 is a steel stringer/multi-beam or girder carrying Chestnut Ridge RD over 684I684I87011124 RTE I6 in Westchester County, New York. It was built in 1971 and reconstructed in 2001, so it is 54 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 589 vehicles a day, roughly 5% of them trucks, projected to reach 825 by 2037. The structure is 243 ft (74.1 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesChestnut Ridge RD
Crosses684I684I87011124 RTE I6
Location3.9 MI N Exit 3 of I684
Coordinates41.18917, -73.68788
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length243 ft (74.1 m)
Longest span118 ft (36 m)
Deck width34 ft (10.5 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic589 (2017)
Projected traffic825 by 2037
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

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$6.3 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Chestnut Ridge RD over 684I684I87011124 RTE I6 built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2001.

What condition is Chestnut Ridge RD over 684I684I87011124 RTE I6 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 September 2024.

How much traffic does Chestnut Ridge RD over 684I684I87011124 RTE I6 carry?

About 589 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Chestnut Ridge RD over 684I684I87011124 RTE I6?

The structure is 243 ft (74.1 m) long with a longest span of 118 ft (36 m) and a deck 34 ft wide.

Who owns Chestnut Ridge RD over 684I684I87011124 RTE I6?

It is owned by the State Highway Agency.