US Bridges

RTE I87 over RTE 9N

Fair

Essex County, New York · I87 Exit 31 · Structure no. 000000001006922

Built
1965
60 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
129 ft
1 main span
Daily traffic
2,422
2021 count
Owner
State
State Highway Agency

About this bridge

RTE I87 over RTE 9N is a steel stringer/multi-beam or girder carrying RTE I87 over RTE 9N in Essex County, New York. It was built in 1965, so it is 60 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 2,422 vehicles a day, roughly 31% of them trucks, projected to reach 2,884 by 2041. The structure is 129 ft (39.3 m) long and 43 ft wide.

Location

Open in Google Maps
CarriesRTE I87
CrossesRTE 9N
LocationI87 Exit 31
RouteInterstate 87
CountyEssex County
StateNew York
Coordinates44.20919, -73.50705
Functional classRural 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82 US tons
Inventory rating49.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length129 ft (39.3 m)
Longest span125 ft (38.1 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,422 (2021)
Projected traffic2,884 by 2041
Trucks31%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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$2.3 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I87 over RTE 9N built?

It was built in 1965, making it 60 years old in 2025.

What condition is RTE I87 over RTE 9N 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 April 2023.

How much traffic does RTE I87 over RTE 9N carry?

About 2,422 vehicles per day (2021 count), of which roughly 31% are trucks.

How long is RTE I87 over RTE 9N?

The structure is 129 ft (39.3 m) long with a longest span of 125 ft (38.1 m) and a deck 43 ft wide.

Who owns RTE I87 over RTE 9N?

It is owned by the State Highway Agency.