US Bridges

Hearst Street over Saw Mill River

PoorPosted for load

Westchester County, New York · 0.9 MI W Grassy Spr. Res · Structure no. 000000002254930

Built
1902
123 years old
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
2,690
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Hearst Street over Saw Mill River is a steel stringer/multi-beam or girder carrying Hearst Street over Saw Mill River in Westchester County, New York. It was built in 1902, so it is 123 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 2,690 vehicles a day, roughly 5% of them trucks, projected to reach 3,766 by 2041. The structure is 40 ft (12.2 m) long and 50 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesHearst Street
CrossesSaw Mill River
Location0.9 MI W Grassy Spr. Res
RouteCity Street 0
Coordinates40.97431, -73.86879
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26 US tons
Inventory rating15 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span36 ft (10.9 m)
Deck width50 ft (15.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,690 (2021)
Projected traffic3,766 by 2041
Trucks5%
Lanes on structure3
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Hearst Street over Saw Mill River built?

It was built in 1902, making it 123 years old in 2025.

What condition is Hearst Street over Saw Mill River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does Hearst Street over Saw Mill River carry?

About 2,690 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Hearst Street over Saw Mill River?

The structure is 40 ft (12.2 m) long with a longest span of 36 ft (10.9 m) and a deck 50 ft wide.

Who owns Hearst Street over Saw Mill River?

It is owned by the City or Municipal Highway Agency.