US Bridges

Bet. Ny 129 & Arca over New Croton Reservoir

PoorPosted for load

Westchester County, New York · 4.6 MI NE Croton on Huds. · Structure no. 000000002262070

Built
1904
121 years old
Condition
Poor
inspected December 2024
Type
Truss - Thru
Steel
Length
535 ft
1 main span
Daily traffic
—
2024 count
Owner
Local
Other Local Agency

About this bridge

Bet. Ny 129 & Arca over New Croton Reservoir is a steel truss - thru carrying Bet. Ny 129 & Arca over New Croton Reservoir in Westchester County, New York. It was built in 1904, so it is 121 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.

No traffic count is recorded. The structure is 535 ft (163.1 m) long and 22 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

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CarriesBet. Ny 129 & Arca
CrossesNew Croton Reservoir
Location4.6 MI NE Croton on Huds.
CountyWestchester County
StateNew York
Coordinates41.23353, -73.80244
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.
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 inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating26 US tons
Inventory rating16 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckOpen grating
Main spans1 (+1 approach)
Design loadUnknown
Structure length535 ft (163.1 m)
Longest span396 ft (120.7 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deck12 ft (3.8 m)

Traffic and service

Average daily traffic—
Projected traffic—
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$18.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Bet. Ny 129 & Arca over New Croton Reservoir built?

It was built in 1904, making it 121 years old in 2025.

What condition is Bet. Ny 129 & Arca over New Croton Reservoir 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 December 2024.

How much traffic does Bet. Ny 129 & Arca over New Croton Reservoir carry?

No traffic count is recorded for this structure.

How long is Bet. Ny 129 & Arca over New Croton Reservoir?

The structure is 535 ft (163.1 m) long with a longest span of 396 ft (120.7 m) and a deck 22 ft wide.

Who owns Bet. Ny 129 & Arca over New Croton Reservoir?

It is owned by the Other Local Agency.