US Bridges

RTE I490 over RTE 31X Rochester Subwa

Fair

Monroe County, New York · JCT I490EAST + RTE 31 · Structure no. 000000001062359

Built
1971
54 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
134 ft
1 main span
Daily traffic
90,529
2019 count
Owner
State
State Highway Agency

About this bridge

RTE I490 over RTE 31X Rochester Subwa is a steel stringer/multi-beam or girder carrying RTE I490 over RTE 31X Rochester Subwa in Monroe County, New York. It was built in 1971, so it is 54 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 90,529 vehicles a day, roughly 5% of them trucks, projected to reach 125,898 by 2041. The structure is 134 ft (40.8 m) long and 120 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesRTE I490
CrossesRTE 31X Rochester Subwa
LocationJCT I490EAST + RTE 31
RouteInterstate 490
CountyMonroe County
StateNew York
Coordinates43.15763, -77.62469
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating102 US tons
Inventory rating61 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length134 ft (40.8 m)
Longest span129 ft (39.3 m)
Deck width120 ft (36.5 m)
Roadway width103 ft (31.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90,529 (2019)
Projected traffic125,898 by 2041
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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$10.6 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I490 over RTE 31X Rochester Subwa built?

It was built in 1971, making it 54 years old in 2025.

What condition is RTE I490 over RTE 31X Rochester Subwa 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 I490 over RTE 31X Rochester Subwa carry?

About 90,529 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is RTE I490 over RTE 31X Rochester Subwa?

The structure is 134 ft (40.8 m) long with a longest span of 129 ft (39.3 m) and a deck 120 ft wide.

Who owns RTE I490 over RTE 31X Rochester Subwa?

It is owned by the State Highway Agency.