US Bridges

RTE I684 over Broad Brook

Fair

Westchester County, New York · 1.7 MI N RTE I684 Int 4 · Structure no. 000000001091152

Built
1968
57 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
64 ft
5 main spans
Daily traffic
29,529
2020 count
Owner
State
State Highway Agency

About this bridge

RTE I684 over Broad Brook is a concrete culvert carrying RTE I684 over Broad Brook in Westchester County, New York. It was built in 1968, so it is 57 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 29,529 vehicles a day, roughly 11% of them trucks, projected to reach 50,003 by 2041. The structure is 64 ft (19.5 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRTE I684
CrossesBroad Brook
Location1.7 MI N RTE I684 Int 4
RouteInterstate 684
CountyWestchester County
StateNew York
Coordinates41.21486, -73.68556
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadHS 20
Structure length64 ft (19.5 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,529 (2020)
Projected traffic50,003 by 2041
Trucks11%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I684 over Broad Brook built?

It was built in 1968, making it 57 years old in 2025.

What condition is RTE I684 over Broad Brook 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 May 2024.

How much traffic does RTE I684 over Broad Brook carry?

About 29,529 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is RTE I684 over Broad Brook?

The structure is 64 ft (19.5 m) long with a longest span of 11 ft (3.3 m).

Who owns RTE I684 over Broad Brook?

It is owned by the State Highway Agency.