US Bridges

RTE 129 over Croton Lake Reser

Fair

Westchester County, New York · 2 MI W JCT SH100 & SH118 · Structure no. 000000001037580

Built
1990
35 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
862 ft
4 main spans
Daily traffic
7,159
2015 count
Owner
State
State Highway Agency

About this bridge

RTE 129 over Croton Lake Reser is a steel continuous stringer/multi-beam or girder carrying RTE 129 over Croton Lake Reser in Westchester County, New York. It was built in 1990, so it is 35 years old, younger 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 7,159 vehicles a day, roughly 4% of them trucks, projected to reach 8,696 by 2041. The structure is 862 ft (262.7 m) long and 38 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

Location

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CarriesRTE 129
CrossesCroton Lake Reser
Location2 MI W JCT SH100 & SH118
RouteState Highway 129
CountyWestchester County
StateNew York
Coordinates41.23768, -73.84429
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
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 rating110.1 US tons
Inventory rating86 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length862 ft (262.7 m)
Longest span240 ft (73.1 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,159 (2015)
Projected traffic8,696 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 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$21.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 129 over Croton Lake Reser built?

It was built in 1990, making it 35 years old in 2025.

What condition is RTE 129 over Croton Lake Reser 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 June 2023.

How much traffic does RTE 129 over Croton Lake Reser carry?

About 7,159 vehicles per day (2015 count), of which roughly 4% are trucks.

How long is RTE 129 over Croton Lake Reser?

The structure is 862 ft (262.7 m) long with a longest span of 240 ft (73.1 m) and a deck 38 ft wide.

Who owns RTE 129 over Croton Lake Reser?

It is owned by the State Highway Agency.