US Bridges

RTE I890 over Big Circle

Poor

Schenectady County, New York · 2.0 MI NW JCT I890 & 146 · Structure no. 000000001049949

Built
1966
59 years old
Condition
Poor
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
157 ft
3 main spans
Daily traffic
18,115
2019 count
Owner
State
State Highway Agency

About this bridge

RTE I890 over Big Circle is a steel stringer/multi-beam or girder carrying RTE I890 over Big Circle in Schenectady County, New York. It was built in 1966, so it is 59 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 18,115 vehicles a day, roughly 5% of them trucks, projected to reach 28,706 by 2041. The structure is 157 ft (47.9 m) long and 79 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRTE I890
CrossesBig Circle
Location2.0 MI NW JCT I890 & 146
RouteInterstate 890
Coordinates42.81426, -73.95643
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating38 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length157 ft (47.9 m)
Longest span76 ft (23.2 m)
Deck width79 ft (24.2 m)
Roadway width73 ft (22.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,115 (2019)
Projected traffic28,706 by 2041
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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$5 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I890 over Big Circle built?

It was built in 1966, making it 59 years old in 2025.

What condition is RTE I890 over Big Circle in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does RTE I890 over Big Circle carry?

About 18,115 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is RTE I890 over Big Circle?

The structure is 157 ft (47.9 m) long with a longest span of 76 ft (23.2 m) and a deck 79 ft wide.

Who owns RTE I890 over Big Circle?

It is owned by the State Highway Agency.