US Bridges

RTE 100 over Pocantico River

Fair

Westchester County, New York · .5 MI S JCT SH 100 & Tsp · Structure no. 000000001053360

Built
1967
58 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
29 ft
1 main span
Daily traffic
6,307
2016 count
Owner
State
State Highway Agency

About this bridge

RTE 100 over Pocantico River is a concrete culvert carrying RTE 100 over Pocantico River in Westchester County, New York. It was built in 1967, so it is 58 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 6,307 vehicles a day, roughly 12% of them trucks, projected to reach 7,661 by 2041. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesRTE 100
CrossesPocantico River
Location.5 MI S JCT SH 100 & Tsp
RouteState Highway 100
CountyWestchester County
StateNew York
Coordinates41.17779, -73.81188
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length29 ft (8.8 m)
Longest span28 ft (8.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,307 (2016)
Projected traffic7,661 by 2041
Trucks12%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$967,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 100 over Pocantico River built?

It was built in 1967, making it 58 years old in 2025.

What condition is RTE 100 over Pocantico River 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 2024.

How much traffic does RTE 100 over Pocantico River carry?

About 6,307 vehicles per day (2016 count), of which roughly 12% are trucks.

How long is RTE 100 over Pocantico River?

The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.5 m).

Who owns RTE 100 over Pocantico River?

It is owned by the State Highway Agency.