US Bridges

NB Hrp Exit 14 Ram over Mamaroneck River

Good

Westchester County, New York · Southwest JCT 127 & Hrp · Structure no. 000000001074450

Built
1991
34 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
117 ft
1 main span
Daily traffic
2,772
2016 count
Owner
State
State Highway Agency

About this bridge

NB Hrp Exit 14 Ram over Mamaroneck River is a steel stringer/multi-beam or girder carrying NB Hrp Exit 14 Ram over Mamaroneck River in Westchester County, New York. It was built in 1991, so it is 34 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,772 vehicles a day, roughly 15% of them trucks, projected to reach 3,910 by 2041. The structure is 117 ft (35.7 m) long and 25 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesNB Hrp Exit 14 Ram
CrossesMamaroneck River
LocationSouthwest JCT 127 & Hrp
CountyWestchester County
StateNew York
Coordinates40.99859, -73.72675
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating71 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length117 ft (35.7 m)
Longest span112 ft (34.1 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,772 (2016)
Projected traffic3,910 by 2041
Trucks15%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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$2.6 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was NB Hrp Exit 14 Ram over Mamaroneck River built?

It was built in 1991, making it 34 years old in 2025.

What condition is NB Hrp Exit 14 Ram over Mamaroneck 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 July 2023.

How much traffic does NB Hrp Exit 14 Ram over Mamaroneck River carry?

About 2,772 vehicles per day (2016 count), of which roughly 15% are trucks.

How long is NB Hrp Exit 14 Ram over Mamaroneck River?

The structure is 117 ft (35.7 m) long with a longest span of 112 ft (34.1 m) and a deck 25 ft wide.

Who owns NB Hrp Exit 14 Ram over Mamaroneck River?

It is owned by the State Highway Agency.