US Bridges

County RD 46 over Erie Canal

Fair

Oswego County, New York · At Hinmansville;oswego R · Structure no. 000000004434070

Built
1915
110 years old, rebuilt 2003
Condition
Fair
inspected September 2024
Type
Truss - Thru
Steel
Length
289 ft
2 main spans
Daily traffic
2,675
2020 count
Owner
State
State Highway Agency

About this bridge

County RD 46 over Erie Canal is a steel truss - thru carrying County RD 46 over Erie Canal in Oswego County, New York. It was built in 1915 and reconstructed in 2003, so it is 110 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 2,675 vehicles a day, roughly 7% of them trucks, projected to reach 2,751 by 2041. The structure is 289 ft (88.1 m) long and 17 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

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CarriesCounty RD 46
CrossesErie Canal
LocationAt Hinmansville;oswego R
RouteCounty Highway 0
CountyOswego County
StateNew York
Coordinates43.24789, -76.35176
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating81 US tons
Inventory rating48 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length289 ft (88.1 m)
Longest span162 ft (49.4 m)
Deck width17 ft (5.1 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deck14 ft (4.3 m)

Traffic and service

Average daily traffic2,675 (2020)
Projected traffic2,751 by 2041
Trucks7%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5.6 mi (9 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$7.6 million (2024 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was County RD 46 over Erie Canal built?

It was built in 1915, making it 110 years old in 2025. It was reconstructed in 2003.

What condition is County RD 46 over Erie Canal 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 September 2024.

How much traffic does County RD 46 over Erie Canal carry?

About 2,675 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is County RD 46 over Erie Canal?

The structure is 289 ft (88.1 m) long with a longest span of 162 ft (49.4 m) and a deck 17 ft wide.

Who owns County RD 46 over Erie Canal?

It is owned by the State Highway Agency.