US Bridges

County Road 90 over RTE I81 RTE I81

Poor

Jefferson County, New York · 1.8 MI S JCT 193 + I-81 · Structure no. 000000001031990

Built
1961
64 years old
Condition
Poor
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
298 ft
5 main spans
Daily traffic
430
2015 count
Owner
State
State Highway Agency

About this bridge

County Road 90 over RTE I81 RTE I81 is a steel stringer/multi-beam or girder carrying County Road 90 over RTE I81 RTE I81 in Jefferson County, New York. It was built in 1961, so it is 64 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 430 vehicles a day, roughly 11% of them trucks, projected to reach 602 by 2035. The structure is 298 ft (90.8 m) long and 35 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesCounty Road 90
CrossesRTE I81 RTE I81
Location1.8 MI S JCT 193 + I-81
RouteCounty Highway 0
CountyJefferson County
StateNew York
Coordinates43.71078, -76.07608
Functional classRural Minor Collector

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
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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2024
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating47 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length298 ft (90.8 m)
Longest span73 ft (22.3 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic430 (2015)
Projected traffic602 by 2035
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

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$3.4 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was County Road 90 over RTE I81 RTE I81 built?

It was built in 1961, making it 64 years old in 2025.

What condition is County Road 90 over RTE I81 RTE I81 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 May 2024.

How much traffic does County Road 90 over RTE I81 RTE I81 carry?

About 430 vehicles per day (2015 count), of which roughly 11% are trucks.

How long is County Road 90 over RTE I81 RTE I81?

The structure is 298 ft (90.8 m) long with a longest span of 73 ft (22.3 m) and a deck 35 ft wide.

Who owns County Road 90 over RTE I81 RTE I81?

It is owned by the State Highway Agency.