US Bridges

RTE 9 over Furnace Brook

Fair

Westchester County, New York · 2.5 MI N JCT Rts 9+129 · Structure no. 000000001005040

Built
1964
61 years old, rebuilt 2017
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
43 ft
3 main spans
Daily traffic
39,494
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 9 over Furnace Brook is a concrete culvert carrying RTE 9 over Furnace Brook in Westchester County, New York. It was built in 1964 and reconstructed in 2017, so it is 61 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 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 39,494 vehicles a day, roughly 7% of them trucks, projected to reach 55,714 by 2041. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesRTE 9
CrossesFurnace Brook
Location2.5 MI N JCT Rts 9+129
RouteU.S. Route 9
CountyWestchester County
StateNew York
Coordinates41.22937, -73.91157
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionNovember 2024
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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.8 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length43 ft (13.1 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 traffic39,494 (2020)
Projected traffic55,714 by 2041
Trucks7%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemYes

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$2.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 9 over Furnace Brook built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2017.

What condition is RTE 9 over Furnace 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 November 2024.

How much traffic does RTE 9 over Furnace Brook carry?

About 39,494 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is RTE 9 over Furnace Brook?

The structure is 43 ft (13.1 m) long with a longest span of 12 ft (3.6 m).

Who owns RTE 9 over Furnace Brook?

It is owned by the State Highway Agency.