US Bridges

RTE I87 over East Schroon River RD

Fair

Warren County, New York · 3.4MI N of JCT 87I < 9 · Structure no. 000000001033562

Built
1965
60 years old, rebuilt 1991
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
154 ft
3 main spans
Daily traffic
7,255
2021 count
Owner
State
State Highway Agency

About this bridge

RTE I87 over East Schroon River RD is a steel stringer/multi-beam or girder carrying RTE I87 over East Schroon River RD in Warren County, New York. It was built in 1965 and reconstructed in 1991, 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 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 7,255 vehicles a day, roughly 16% of them trucks, projected to reach 8,640 by 2041. The structure is 154 ft (46.9 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE I87
CrossesEast Schroon River RD
Location3.4MI N of JCT 87I < 9
RouteInterstate 87
Coordinates43.49976, -73.7468
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
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
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 rating70 US tons
Inventory rating42 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length154 ft (46.9 m)
Longest span53 ft (16.1 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,255 (2021)
Projected traffic8,640 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$2 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I87 over East Schroon River RD built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1991.

What condition is RTE I87 over East Schroon River RD 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 East Schroon River RD carry?

About 7,255 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is RTE I87 over East Schroon River RD?

The structure is 154 ft (46.9 m) long with a longest span of 53 ft (16.1 m) and a deck 33 ft wide.

Who owns RTE I87 over East Schroon River RD?

It is owned by the State Highway Agency.