US Bridges

RTE 907W over W Branch Mamaroneck Rive

Good

Westchester County, New York · 1.6 MI S JCT Hrp & SH 127 · Structure no. 000000005523372

Built
1987
38 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
146 ft
1 main span
Daily traffic
42,383
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 907W over W Branch Mamaroneck Rive is a steel stringer/multi-beam or girder carrying RTE 907W 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 42,383 vehicles a day, projected to reach 59,789 by 2041. The structure is 146 ft (44.5 m) long and 53 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRTE 907W
CrossesW Branch Mamaroneck Rive
Location1.6 MI S JCT Hrp & SH 127
RouteCity Street 907W
CountyWestchester County
StateNew York
Coordinates40.98291, -73.74521
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating79 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length146 ft (44.5 m)
Longest span144 ft (43.8 m)
Deck width53 ft (16.2 m)
Roadway width50 ft (15.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,383 (2021)
Projected traffic59,789 by 2041
Trucks0%
Lanes on structure2
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$7.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 907W over W Branch Mamaroneck Rive built?

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

What condition is RTE 907W 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 RTE 907W over W Branch Mamaroneck Rive carry?

About 42,383 vehicles per day (2021 count).

How long is RTE 907W over W Branch Mamaroneck Rive?

The structure is 146 ft (44.5 m) long with a longest span of 144 ft (43.8 m) and a deck 53 ft wide.

Who owns RTE 907W over W Branch Mamaroneck Rive?

It is owned by the State Highway Agency.