US Bridges

Rt 100 Ramp to 9A over Pocantico River

Good

Westchester County, New York · .1 MI N Plsntvl RD & 100 · Structure no. 000000001053340

Built
1967
58 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
340
2018 count
Owner
State
State Highway Agency

About this bridge

Rt 100 Ramp to 9A over Pocantico River is a concrete continuous culvert carrying Rt 100 Ramp to 9A 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 340 vehicles a day, roughly 15% of them trucks, projected to reach 341 by 2041. The structure is 27 ft (8.2 m) long.

CarriesRt 100 Ramp to 9A
CrossesPocantico River
Location.1 MI N Plsntvl RD & 100
RouteState Highway 0
Coordinates41.15062, -73.82653
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating96 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic340 (2018)
Projected traffic341 by 2041
Trucks15%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

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$812,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt 100 Ramp to 9A over Pocantico River built?

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

What condition is Rt 100 Ramp to 9A over Pocantico River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does Rt 100 Ramp to 9A over Pocantico River carry?

About 340 vehicles per day (2018 count), of which roughly 15% are trucks.

How long is Rt 100 Ramp to 9A over Pocantico River?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.6 m).

Who owns Rt 100 Ramp to 9A over Pocantico River?

It is owned by the State Highway Agency.