US Bridges

RTE I87 over RTE 146

Fair

Saratoga County, New York · Route I-87 Exit 9 · Structure no. 000000001032852

Built
1958
67 years old, rebuilt 1978
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
161 ft
3 main spans
Daily traffic
45,252
2021 count
Owner
State
State Highway Agency

About this bridge

RTE I87 over RTE 146 is a steel stringer/multi-beam or girder carrying RTE I87 over RTE 146 in Saratoga County, New York. It was built in 1958 and reconstructed in 1978, so it is 67 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 45,252 vehicles a day, roughly 10% of them trucks, projected to reach 71,710 by 2041. The structure is 161 ft (49.1 m) long and 62 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRTE I87
CrossesRTE 146
LocationRoute I-87 Exit 9
RouteInterstate 87
CountySaratoga County
StateNew York
Coordinates42.86239, -73.77517
Functional classUrban 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length161 ft (49.1 m)
Longest span88 ft (26.8 m)
Deck width62 ft (18.9 m)
Roadway width59 ft (18 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45,252 (2021)
Projected traffic71,710 by 2041
Trucks10%
Lanes on structure4
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$3.9 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I87 over RTE 146 built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1978.

What condition is RTE I87 over RTE 146 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 July 2023.

How much traffic does RTE I87 over RTE 146 carry?

About 45,252 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is RTE I87 over RTE 146?

The structure is 161 ft (49.1 m) long with a longest span of 88 ft (26.8 m) and a deck 62 ft wide.

Who owns RTE I87 over RTE 146?

It is owned by the State Highway Agency.