US Bridges

RTE 33A over RTE I490

Fair

Monroe County, New York · JCT Rts I490+33A Riga · Structure no. 000000001023070

Built
1964
61 years old, rebuilt 1998
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
147 ft
3 main spans
Daily traffic
1,945
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 33A over RTE I490 is a steel stringer/multi-beam or girder carrying RTE 33A over RTE I490 in Monroe County, New York. It was built in 1964 and reconstructed in 1998, so it is 61 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 1,945 vehicles a day, roughly 15% of them trucks, projected to reach 2,029 by 2041. The structure is 147 ft (44.8 m) long and 61 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesRTE 33A
CrossesRTE I490
LocationJCT Rts I490+33A Riga
RouteState Highway 33A
CountyMonroe County
StateNew York
Coordinates43.07418, -77.93368
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
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
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 alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length147 ft (44.8 m)
Longest span62 ft (18.8 m)
Deck width61 ft (18.7 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,945 (2021)
Projected traffic2,029 by 2041
Trucks15%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemYes

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$3.8 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 33A over RTE I490 built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1998.

What condition is RTE 33A over RTE I490 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 June 2024.

How much traffic does RTE 33A over RTE I490 carry?

About 1,945 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is RTE 33A over RTE I490?

The structure is 147 ft (44.8 m) long with a longest span of 62 ft (18.8 m) and a deck 61 ft wide.

Who owns RTE 33A over RTE I490?

It is owned by the State Highway Agency.