US Bridges

RTE 394 over 90IX RTE I90

Fair

Chautauqua County, New York · JCT Rts 17 + I-90 · Structure no. 000000005011990

Built
1957
68 years old, rebuilt 2017
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
258 ft
5 main spans
Daily traffic
3,107
2020 count
Owner
Toll Authority
State Toll Authority

About this bridge

RTE 394 over 90IX RTE I90 is a steel stringer/multi-beam or girder carrying RTE 394 over 90IX RTE I90 in Chautauqua County, New York. It was built in 1957 and reconstructed in 2017, so it is 68 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 3,107 vehicles a day, roughly 9% of them trucks, projected to reach 3,138 by 2041. The structure is 258 ft (78.6 m) long and 43 ft wide. If it were closed, the detour would be 13.7 mi (22 km).

CarriesRTE 394
Crosses90IX RTE I90
LocationJCT Rts 17 + I-90
RouteState Highway 394
Coordinates42.33472, -79.59034
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.1 US tons
Inventory rating43.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 25 or greater
Structure length258 ft (78.6 m)
Longest span58 ft (17.7 m)
Deck width43 ft (13.1 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,107 (2020)
Projected traffic3,138 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed13.7 mi (22 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$6.9 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 394 over 90IX RTE I90 built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2017.

What condition is RTE 394 over 90IX RTE I90 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 September 2023.

How much traffic does RTE 394 over 90IX RTE I90 carry?

About 3,107 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is RTE 394 over 90IX RTE I90?

The structure is 258 ft (78.6 m) long with a longest span of 58 ft (17.7 m) and a deck 43 ft wide.

Who owns RTE 394 over 90IX RTE I90?

It is owned by the State Toll Authority.