US Bridges

RTE I490 over Ramp Z South Ave

Fair

Monroe County, New York · I 490 EB over South Avenu · Structure no. 000000001050122

Built
2006
19 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
269 ft
3 main spans
Daily traffic
42,468
2021 count
Owner
State
State Highway Agency

About this bridge

RTE I490 over Ramp Z South Ave is a steel continuous stringer/multi-beam or girder carrying RTE I490 over Ramp Z South Ave in Monroe County, New York. It was built in 2006, so it is 19 years old, younger 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 42,468 vehicles a day, roughly 5% of them trucks, projected to reach 59,059 by 2041. The structure is 269 ft (82 m) long and 55 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE I490
CrossesRamp Z South Ave
LocationI 490 EB over South Avenu
RouteInterstate 490
Coordinates43.1509, -77.60739
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.2 US tons
Inventory rating45 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length269 ft (82 m)
Longest span98 ft (29.8 m)
Deck width55 ft (16.8 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,468 (2021)
Projected traffic59,059 by 2041
Trucks5%
Lanes on structure3
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$7.4 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I490 over Ramp Z South Ave built?

It was built in 2006, making it 19 years old in 2025.

What condition is RTE I490 over Ramp Z South Ave 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 October 2024.

How much traffic does RTE I490 over Ramp Z South Ave carry?

About 42,468 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is RTE I490 over Ramp Z South Ave?

The structure is 269 ft (82 m) long with a longest span of 98 ft (29.8 m) and a deck 55 ft wide.

Who owns RTE I490 over Ramp Z South Ave?

It is owned by the State Highway Agency.