US Bridges

RTE I90 over Schoharie Creek

Good

Montgomery County, New York · 90IX over Schoharie CR · Structure no. 000000005515869

Built
1988
37 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
723 ft
4 main spans
Daily traffic
21,178
2020 count
Owner
Toll Authority
State Toll Authority

About this bridge

RTE I90 over Schoharie Creek is a steel continuous stringer/multi-beam or girder carrying RTE I90 over Schoharie Creek in Montgomery County, New York. It was built in 1988, so it is 37 years old, younger than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 21,178 vehicles a day, roughly 31% of them trucks, projected to reach 23,556 by 2041. The structure is 723 ft (220.4 m) long and 115 ft wide. If it were closed, the detour would be 17.4 mi (28 km).

CarriesRTE I90
CrossesSchoharie Creek
Location90IX over Schoharie CR
RouteInterstate 90
Coordinates42.93165, -74.27864
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103 US tons
Inventory rating61 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length723 ft (220.4 m)
Longest span203 ft (61.9 m)
Deck width115 ft (35 m)
Roadway width108 ft (33 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,178 (2020)
Projected traffic23,556 by 2041
Trucks31%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed17.4 mi (28 km)
TollOn an Interstate toll segment under Secretarial agreement
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$23.8 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I90 over Schoharie Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is RTE I90 over Schoharie Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does RTE I90 over Schoharie Creek carry?

About 21,178 vehicles per day (2020 count), of which roughly 31% are trucks.

How long is RTE I90 over Schoharie Creek?

The structure is 723 ft (220.4 m) long with a longest span of 203 ft (61.9 m) and a deck 115 ft wide.

Who owns RTE I90 over Schoharie Creek?

It is owned by the State Toll Authority.