US Bridges

Broadway over Kill Brook Aqueduct

Fair

Westchester County, New York · In Ossining · Structure no. 000000002225180

Built
1861
164 years old
Condition
Fair
inspected March 2024
Type
Arch - Deck
Masonry
Length
88 ft
1 main span
Daily traffic
1,068
2014 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Broadway over Kill Brook Aqueduct is a masonry arch - deck carrying Broadway over Kill Brook Aqueduct in Westchester County, New York. It was built in 1861, so it is 164 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 1,068 vehicles a day, roughly 1% of them trucks, projected to reach 1,495 by 2034. The structure is 88 ft (26.8 m) long and 28 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesBroadway
CrossesKill Brook Aqueduct
LocationIn Ossining
CountyWestchester County
StateNew York
Coordinates41.16313, -73.86322
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.4 US tons
Inventory rating17.1 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans1
Design loadUnknown
Structure length88 ft (26.8 m)
Longest span66 ft (20.1 m)
Deck width28 ft (8.4 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deck12 ft (3.8 m)

Traffic and service

Average daily traffic1,068 (2014)
Projected traffic1,495 by 2034
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 statusEligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$6.8 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Broadway over Kill Brook Aqueduct built?

It was built in 1861, making it 164 years old in 2025.

What condition is Broadway over Kill Brook Aqueduct 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 March 2024.

How much traffic does Broadway over Kill Brook Aqueduct carry?

About 1,068 vehicles per day (2014 count), of which roughly 1% are trucks.

How long is Broadway over Kill Brook Aqueduct?

The structure is 88 ft (26.8 m) long with a longest span of 66 ft (20.1 m) and a deck 28 ft wide.

Who owns Broadway over Kill Brook Aqueduct?

It is owned by the Town or Township Highway Agency.