US Bridges

RTE I684 over Guinea Road

Fair

Westchester County, New York · 4.7 MI N JCT Rts I684+138 · Structure no. 000000001053191

Built
1964
61 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
137 ft
3 main spans
Daily traffic
37,713
2014 count
Owner
State
State Highway Agency

About this bridge

RTE I684 over Guinea Road is a steel stringer/multi-beam or girder carrying RTE I684 over Guinea Road in Westchester County, New York. It was built in 1964, so it is 61 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 5 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 37,713 vehicles a day, roughly 7% of them trucks. The structure is 137 ft (41.8 m) long and 56 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRTE I684
CrossesGuinea Road
Location4.7 MI N JCT Rts I684+138
RouteInterstate 684
CountyWestchester County
StateNew York
Coordinates41.35521, -73.64099
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating51 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length137 ft (41.8 m)
Longest span48 ft (14.6 m)
Deck width56 ft (17.1 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,713 (2014)
Projected traffic—
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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$5.4 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I684 over Guinea Road built?

It was built in 1964, making it 61 years old in 2025.

What condition is RTE I684 over Guinea Road 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 June 2024.

How much traffic does RTE I684 over Guinea Road carry?

About 37,713 vehicles per day (2014 count), of which roughly 7% are trucks.

How long is RTE I684 over Guinea Road?

The structure is 137 ft (41.8 m) long with a longest span of 48 ft (14.6 m) and a deck 56 ft wide.

Who owns RTE I684 over Guinea Road?

It is owned by the State Highway Agency.