US Bridges

Wm.L.Butcher Br. over 287IX RTE I287 Mamaron

Fair

Westchester County, New York · 1.6MI W JCT Rts I287+HRP · Structure no. 000000001044780

Built
1961
64 years old, rebuilt 2012
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
258 ft
5 main spans
Daily traffic
—
2024 count
Owner
State
State Highway Agency

About this bridge

Wm.L.Butcher Br. over 287IX RTE I287 Mamaron is a steel stringer/multi-beam or girder carrying Wm.L.Butcher Br. over 287IX RTE I287 Mamaron in Westchester County, New York. It was built in 1961 and reconstructed in 2012, so it is 64 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.

No traffic count is recorded. The structure is 258 ft (78.6 m) long and 66 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesWm.L.Butcher Br.
Crosses287IX RTE I287 Mamaron
Location1.6MI W JCT Rts I287+HRP
RouteCity Street 0
CountyWestchester County
StateNew York
Coordinates41.02808, -73.73598
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating78 US tons
Inventory rating46 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 25 or greater
Structure length258 ft (78.6 m)
Longest span59 ft (17.9 m)
Deck width66 ft (20.1 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic—
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$11.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Wm.L.Butcher Br. over 287IX RTE I287 Mamaron built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2012.

What condition is Wm.L.Butcher Br. over 287IX RTE I287 Mamaron 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 December 2024.

How much traffic does Wm.L.Butcher Br. over 287IX RTE I287 Mamaron carry?

No traffic count is recorded for this structure.

How long is Wm.L.Butcher Br. over 287IX RTE I287 Mamaron?

The structure is 258 ft (78.6 m) long with a longest span of 59 ft (17.9 m) and a deck 66 ft wide.

Who owns Wm.L.Butcher Br. over 287IX RTE I287 Mamaron?

It is owned by the State Highway Agency.