US Bridges

RTE 100 over 287 Ramp Manhatten Park

Fair

Westchester County, New York · 1 MI E JCT SH119 & SH100A · Structure no. 000000001091360

Built
1958
67 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
48,794
2017 count
Owner
State
State Highway Agency

About this bridge

RTE 100 over 287 Ramp Manhatten Park is a concrete culvert carrying RTE 100 over 287 Ramp Manhatten Park in Westchester County, New York. It was built in 1958, so it is 67 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 48,794 vehicles a day, roughly 3% of them trucks, projected to reach 49,023 by 2041. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesRTE 100
Crosses287 Ramp Manhatten Park
Location1 MI E JCT SH119 & SH100A
RouteState Highway 100
CountyWestchester County
StateNew York
Coordinates41.04059, -73.78729
Functional classUrban Other Principal 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 inspectionSeptember 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 rating89.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck15 ft (4.5 m)

Traffic and service

Average daily traffic48,794 (2017)
Projected traffic49,023 by 2041
Trucks3%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.9 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 100 over 287 Ramp Manhatten Park built?

It was built in 1958, making it 67 years old in 2025.

What condition is RTE 100 over 287 Ramp Manhatten Park 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 September 2024.

How much traffic does RTE 100 over 287 Ramp Manhatten Park carry?

About 48,794 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is RTE 100 over 287 Ramp Manhatten Park?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.3 m).

Who owns RTE 100 over 287 Ramp Manhatten Park?

It is owned by the State Highway Agency.