US Bridges

Ramp from Hrp NB over W Branch Mamaroneck Rive

Good

Westchester County, New York · 1.6MI S JCT R&s Hrp & 127 · Structure no. 000000005523380

Built
1987
38 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
98 ft
1 main span
Daily traffic
4,522
2020 count
Owner
State
State Highway Agency

About this bridge

Ramp from Hrp NB over W Branch Mamaroneck Rive is a steel stringer/multi-beam or girder carrying Ramp from Hrp NB over W Branch Mamaroneck Rive in Westchester County, New York. It was built in 1987, so it is 38 years old, younger 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 4,522 vehicles a day, projected to reach 6,379 by 2041. The structure is 98 ft (29.9 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesRamp from Hrp NB
CrossesW Branch Mamaroneck Rive
Location1.6MI S JCT R&s Hrp & 127
CountyWestchester County
StateNew York
Coordinates40.98271, -73.74512
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating70 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length98 ft (29.9 m)
Longest span96 ft (29.2 m)
Deck width26 ft (8 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,522 (2020)
Projected traffic6,379 by 2041
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
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$2.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Ramp from Hrp NB over W Branch Mamaroneck Rive built?

It was built in 1987, making it 38 years old in 2025.

What condition is Ramp from Hrp NB over W Branch Mamaroneck Rive 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 April 2024.

How much traffic does Ramp from Hrp NB over W Branch Mamaroneck Rive carry?

About 4,522 vehicles per day (2020 count).

How long is Ramp from Hrp NB over W Branch Mamaroneck Rive?

The structure is 98 ft (29.9 m) long with a longest span of 96 ft (29.2 m) and a deck 26 ft wide.

Who owns Ramp from Hrp NB over W Branch Mamaroneck Rive?

It is owned by the State Highway Agency.