US Bridges

Elm Street over Sawmill River

Fair

Westchester County, New York · At Ardsley · Structure no. 000000003364870

Built
1953
72 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
1,614
2018 count
Owner
County
County Highway Agency

About this bridge

Elm Street over Sawmill River is a concrete continuous culvert carrying Elm Street over Sawmill River in Westchester County, New York. It was built in 1953, so it is 72 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 1,614 vehicles a day, roughly 5% of them trucks, projected to reach 2,260 by 2038. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesElm Street
CrossesSawmill River
LocationAt Ardsley
RouteCity Street 0
Coordinates41.00938, -73.85165
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating106 US tons
Inventory rating63.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length31 ft (9.4 m)
Longest span14 ft (4.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,614 (2018)
Projected traffic2,260 by 2038
Trucks5%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$309,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Elm Street over Sawmill River built?

It was built in 1953, making it 72 years old in 2025.

What condition is Elm Street over Sawmill River 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 May 2023.

How much traffic does Elm Street over Sawmill River carry?

About 1,614 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Elm Street over Sawmill River?

The structure is 31 ft (9.4 m) long with a longest span of 14 ft (4.2 m).

Who owns Elm Street over Sawmill River?

It is owned by the County Highway Agency.