US Bridges

RTE I84 over RTE 121

Fair

Putnam County, New York · 1.0 MI E JCT Rts I84+I684 · Structure no. 000000001032612

Built
1967
58 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
174 ft
3 main spans
Daily traffic
35,938
2021 count
Owner
State
State Highway Agency

About this bridge

RTE I84 over RTE 121 is a steel stringer/multi-beam or girder carrying RTE I84 over RTE 121 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 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 35,938 vehicles a day, roughly 16% of them trucks, projected to reach 60,856 by 2041. The structure is 174 ft (53 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRTE I84
CrossesRTE 121
Location1.0 MI E JCT Rts I84+I684
RouteInterstate 84
CountyPutnam County
StateNew York
Coordinates41.38323, -73.58238
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating101 US tons
Inventory rating60 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length174 ft (53 m)
Longest span69 ft (21 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,938 (2021)
Projected traffic60,856 by 2041
Trucks16%
Lanes on structure2
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$4 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I84 over RTE 121 built?

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

What condition is RTE I84 over RTE 121 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 I84 over RTE 121 carry?

About 35,938 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is RTE I84 over RTE 121?

The structure is 174 ft (53 m) long with a longest span of 69 ft (21 m) and a deck 33 ft wide.

Who owns RTE I84 over RTE 121?

It is owned by the State Highway Agency.