US Bridges

RTE I490 over Ramp Z South Ave.

Good

Monroe County, New York · Wb&ramp LA over South Ave · Structure no. 000000001050121

Built
2007
18 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
259 ft
3 main spans
Daily traffic
34,147
2002 count
Owner
State
State Highway Agency

About this bridge

RTE I490 over Ramp Z South Ave. is a steel stringer/multi-beam or girder carrying RTE I490 over Ramp Z South Ave. in Monroe County, New York. It was built in 2007, so it is 18 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 34,147 vehicles a day, roughly 5% of them trucks. The structure is 259 ft (78.9 m) long and 82 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesRTE I490
CrossesRamp Z South Ave.
LocationWb&ramp LA over South Ave
RouteInterstate 490
Coordinates43.15108, -77.60745
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating53 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length259 ft (78.9 m)
Longest span98 ft (29.9 m)
Deck width82 ft (24.9 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,147 (2002)
Projected traffic—
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed2.5 mi (4 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 Ramp Z South Ave. built?

It was built in 2007, making it 18 years old in 2025.

What condition is RTE I490 over Ramp Z South Ave. 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 October 2023.

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

About 34,147 vehicles per day (2002 count), of which roughly 5% are trucks.

How long is RTE I490 over Ramp Z South Ave.?

The structure is 259 ft (78.9 m) long with a longest span of 98 ft (29.9 m) and a deck 82 ft wide.

Who owns RTE I490 over Ramp Z South Ave.?

It is owned by the State Highway Agency.