US Bridges

RTE I87 over Ausable River

Fair

Essex County, New York · I87 at Clinton CO Line · Structure no. 000000001033652

Built
1994
31 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
384 ft
3 main spans
Daily traffic
3,283
2017 count
Owner
State
State Highway Agency

About this bridge

RTE I87 over Ausable River is a steel continuous stringer/multi-beam or girder carrying RTE I87 over Ausable River in Essex County, New York. It was built in 1994, so it is 31 years old, younger 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 3,283 vehicles a day, roughly 26% of them trucks, projected to reach 3,909 by 2041. The structure is 384 ft (117 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRTE I87
CrossesAusable River
LocationI87 at Clinton CO Line
RouteInterstate 87
CountyEssex County
StateNew York
Coordinates44.49096, -73.49403
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating58 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length384 ft (117 m)
Longest span180 ft (54.8 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,283 (2017)
Projected traffic3,909 by 2041
Trucks26%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I87 over Ausable River built?

It was built in 1994, making it 31 years old in 2025.

What condition is RTE I87 over Ausable River 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 August 2023.

How much traffic does RTE I87 over Ausable River carry?

About 3,283 vehicles per day (2017 count), of which roughly 26% are trucks.

How long is RTE I87 over Ausable River?

The structure is 384 ft (117 m) long with a longest span of 180 ft (54.8 m) and a deck 42 ft wide.

Who owns RTE I87 over Ausable River?

It is owned by the State Highway Agency.