US Bridges

RTE 488 over Canandaigua Outlet

Poor

Ontario County, New York · 0.1MI E JCT Rts 488 + 21 · Structure no. 000000001034170

Built
1961
64 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
63 ft
1 main span
Daily traffic
2,145
2019 count
Owner
State
State Highway Agency

About this bridge

RTE 488 over Canandaigua Outlet is a steel stringer/multi-beam or girder carrying RTE 488 over Canandaigua Outlet in Ontario County, New York. It was built in 1961, so it is 64 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,145 vehicles a day, roughly 5% of them trucks, projected to reach 2,237 by 2041. The structure is 63 ft (19.1 m) long and 37 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesRTE 488
CrossesCanandaigua Outlet
Location0.1MI E JCT Rts 488 + 21
RouteState Highway 488
Coordinates42.91837, -77.2328
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating84 US tons
Inventory rating50 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length63 ft (19.1 m)
Longest span60 ft (18.2 m)
Deck width37 ft (11.4 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,145 (2019)
Projected traffic2,237 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed16.8 mi (27 km)
TollOn a free road
National Highway SystemNo

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$2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 488 over Canandaigua Outlet built?

It was built in 1961, making it 64 years old in 2025.

What condition is RTE 488 over Canandaigua Outlet in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does RTE 488 over Canandaigua Outlet carry?

About 2,145 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is RTE 488 over Canandaigua Outlet?

The structure is 63 ft (19.1 m) long with a longest span of 60 ft (18.2 m) and a deck 37 ft wide.

Who owns RTE 488 over Canandaigua Outlet?

It is owned by the State Highway Agency.