US Bridges

RTE I684 over Cox Avenue Byram River

Good

Westchester County, New York · .6 MI N Exit 3 of I684 · Structure no. 000000001091459

Built
1969
56 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
61,876
2020 count
Owner
State
State Highway Agency

About this bridge

RTE I684 over Cox Avenue Byram River is a concrete culvert carrying RTE I684 over Cox Avenue Byram River 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 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 61,876 vehicles a day, roughly 10% of them trucks, projected to reach 104,780 by 2041. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 11.8 mi (19 km).

CarriesRTE I684
CrossesCox Avenue Byram River
Location.6 MI N Exit 3 of I684
RouteInterstate 684
Coordinates41.1324, -73.70342
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.1 US tons
Inventory rating46 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck16 ft (4.9 m)

Traffic and service

Average daily traffic61,876 (2020)
Projected traffic104,780 by 2041
Trucks10%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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$1.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I684 over Cox Avenue Byram River built?

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

What condition is RTE I684 over Cox Avenue Byram 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 April 2024.

How much traffic does RTE I684 over Cox Avenue Byram River carry?

About 61,876 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is RTE I684 over Cox Avenue Byram River?

The structure is 30 ft (9.1 m) long with a longest span of 13 ft (3.9 m).

Who owns RTE I684 over Cox Avenue Byram River?

It is owned by the State Highway Agency.