US Bridges

RTE 95 over Mamaroneck Ave

Fair

Westchester County, New York · 1.6 MI SW JCT Rts I95<127 · Structure no. 000000005514699

Built
1954
71 years old, rebuilt 1990
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
207 ft
3 main spans
Daily traffic
96,827
2019 count
Owner
Toll Authority
State Toll Authority

About this bridge

RTE 95 over Mamaroneck Ave is a steel stringer/multi-beam or girder carrying RTE 95 over Mamaroneck Ave in Westchester County, New York. It was built in 1954 and reconstructed in 1990, so it is 71 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 96,827 vehicles a day, roughly 15% of them trucks, projected to reach 163,966 by 2041. The structure is 207 ft (63.1 m) long and 155 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesRTE 95
CrossesMamaroneck Ave
Location1.6 MI SW JCT Rts I95<127
RouteInterstate 95
CountyWestchester County
StateNew York
Coordinates40.96209, -73.73625
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92 US tons
Inventory rating43 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length207 ft (63.1 m)
Longest span87 ft (26.5 m)
Deck width155 ft (47.1 m)
Roadway width145 ft (44.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96,827 (2019)
Projected traffic163,966 by 2041
Trucks15%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn an Interstate toll segment under Secretarial agreement
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$23.1 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 95 over Mamaroneck Ave built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1990.

What condition is RTE 95 over Mamaroneck Ave 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 April 2023.

How much traffic does RTE 95 over Mamaroneck Ave carry?

About 96,827 vehicles per day (2019 count), of which roughly 15% are trucks.

How long is RTE 95 over Mamaroneck Ave?

The structure is 207 ft (63.1 m) long with a longest span of 87 ft (26.5 m) and a deck 155 ft wide.

Who owns RTE 95 over Mamaroneck Ave?

It is owned by the State Toll Authority.