US Bridges

Lake Avenue over Saw Mill River

Poor

Westchester County, New York · 3.2 MI S Hastings on Hud. · Structure no. 000000002254870

Built
1925
100 years old
Condition
Poor
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
9,180
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lake Avenue over Saw Mill River is a steel stringer/multi-beam or girder carrying Lake Avenue over Saw Mill River in Westchester County, New York. It was built in 1925, so it is 100 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.

It carries about 9,180 vehicles a day, roughly 4% of them trucks, projected to reach 11,151 by 2041. The structure is 35 ft (10.7 m) long and 61 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesLake Avenue
CrossesSaw Mill River
Location3.2 MI S Hastings on Hud.
RouteCity Street 0
Coordinates40.9455, -73.88164
Functional classUrban Minor Arterial

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating34 US tons

Structure

MaterialSteel
DeckOther
Main spans1
Design loadH 20
Structure length35 ft (10.7 m)
Longest span31 ft (9.4 m)
Deck width61 ft (18.5 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,180 (2020)
Projected traffic11,151 by 2041
Trucks4%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$2.9 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lake Avenue over Saw Mill River built?

It was built in 1925, making it 100 years old in 2025.

What condition is Lake Avenue 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 March 2023.

How much traffic does Lake Avenue over Saw Mill River carry?

About 9,180 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Lake Avenue over Saw Mill River?

The structure is 35 ft (10.7 m) long with a longest span of 31 ft (9.4 m) and a deck 61 ft wide.

Who owns Lake Avenue over Saw Mill River?

It is owned by the City or Municipal Highway Agency.