US Bridges

RTE I684 over County Road 55

Fair

Putnam County, New York · 1.9 MI S JCT I684 & I84 · Structure no. 000000001033052

Built
1967
58 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
162 ft
3 main spans
Daily traffic
34,150
2020 count
Owner
State
State Highway Agency

About this bridge

RTE I684 over County Road 55 is a steel stringer/multi-beam or girder carrying RTE I684 over County Road 55 in Putnam County, New York. It was built in 1967, so it is 58 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 34,150 vehicles a day, roughly 9% of them trucks, projected to reach 57,829 by 2041. The structure is 162 ft (49.4 m) long and 56 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesRTE I684
CrossesCounty Road 55
Location1.9 MI S JCT I684 & I84
RouteInterstate 684
CountyPutnam County
StateNew York
Coordinates41.37229, -73.61414
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.1 US tons
Inventory rating51.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length162 ft (49.4 m)
Longest span56 ft (17 m)
Deck width56 ft (17.1 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,150 (2020)
Projected traffic57,829 by 2041
Trucks9%
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$6.3 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I684 over County Road 55 built?

It was built in 1967, making it 58 years old in 2025.

What condition is RTE I684 over County Road 55 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 September 2024.

How much traffic does RTE I684 over County Road 55 carry?

About 34,150 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is RTE I684 over County Road 55?

The structure is 162 ft (49.4 m) long with a longest span of 56 ft (17 m) and a deck 56 ft wide.

Who owns RTE I684 over County Road 55?

It is owned by the State Highway Agency.