US Bridges

RTE I684 over Bryant Avenue Mamaronec

Fair

Westchester County, New York · 0.6 MI W JCT I287+HRP · Structure no. 000000001052860

Built
1969
56 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
116 ft
2 main spans
Daily traffic
5,804
1997 count
Owner
State
State Highway Agency

About this bridge

RTE I684 over Bryant Avenue Mamaronec is a concrete continuous culvert carrying RTE I684 over Bryant Avenue Mamaronec in Westchester County, New York. It was built in 1969, so it is 56 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 5,804 vehicles a day, roughly 13% of them trucks, projected to reach 8,126 by 2017. The structure is 116 ft (35.4 m) long. If it were closed, the detour would be 2.5 mi (4 km).

Location

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CarriesRTE I684
CrossesBryant Avenue Mamaronec
Location0.6 MI W JCT I287+HRP
RouteInterstate 684
CountyWestchester County
StateNew York
Coordinates41.02253, -73.72893
Functional classUrban Principal Arterial - Interstate

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating108 US tons
Inventory rating64 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length116 ft (35.4 m)
Longest span54 ft (16.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck16 ft (5 m)

Traffic and service

Average daily traffic5,804 (1997)
Projected traffic8,126 by 2017
Trucks13%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$2.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I684 over Bryant Avenue Mamaronec built?

It was built in 1969, making it 56 years old in 2025.

What condition is RTE I684 over Bryant Avenue Mamaronec 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 November 2024.

How much traffic does RTE I684 over Bryant Avenue Mamaronec carry?

About 5,804 vehicles per day (1997 count), of which roughly 13% are trucks.

How long is RTE I684 over Bryant Avenue Mamaronec?

The structure is 116 ft (35.4 m) long with a longest span of 54 ft (16.5 m).

Who owns RTE I684 over Bryant Avenue Mamaronec?

It is owned by the State Highway Agency.