US Bridges

RTE I87 over Underpass Road

Fair

Essex County, New York · 1.6 MI N JCT Rts I87 & 22 · Structure no. 000000001033852

Built
1965
60 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
99 ft
1 main span
Daily traffic
4,036
2018 count
Owner
State
State Highway Agency

About this bridge

RTE I87 over Underpass Road is a steel stringer/multi-beam or girder carrying RTE I87 over Underpass Road 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 4,036 vehicles a day, roughly 29% of them trucks, projected to reach 4,807 by 2041. The structure is 99 ft (30.2 m) long and 42 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

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CarriesRTE I87
CrossesUnderpass Road
Location1.6 MI N JCT Rts I87 & 22
RouteInterstate 87
CountyEssex County
StateNew York
Coordinates44.46674, -73.4855
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 inspectionMarch 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 rating88 US tons
Inventory rating52 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length99 ft (30.2 m)
Longest span94 ft (28.6 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,036 (2018)
Projected traffic4,807 by 2041
Trucks29%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed7.5 mi (12 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$1.8 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I87 over Underpass Road built?

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

What condition is RTE I87 over Underpass 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 March 2023.

How much traffic does RTE I87 over Underpass Road carry?

About 4,036 vehicles per day (2018 count), of which roughly 29% are trucks.

How long is RTE I87 over Underpass Road?

The structure is 99 ft (30.2 m) long with a longest span of 94 ft (28.6 m) and a deck 42 ft wide.

Who owns RTE I87 over Underpass Road?

It is owned by the State Highway Agency.