US Bridges

Plainville Road over Erie Canal

Fair

Onondaga County, New York · 3.4 MI NE JCT I90 & SH 31 · Structure no. 000000004433130

Built
1950
75 years old, rebuilt 2005
Condition
Fair
inspected July 2023
Type
Truss - Thru
Steel
Length
316 ft
1 main span
Daily traffic
1,858
2018 count
Owner
State
State Highway Agency

About this bridge

Plainville Road over Erie Canal is a steel truss - thru carrying Plainville Road over Erie Canal in Onondaga County, New York. It was built in 1950 and reconstructed in 2005, so it is 75 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 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 1,858 vehicles a day, roughly 5% of them trucks, projected to reach 2,597 by 2041. The structure is 316 ft (96.3 m) long and 36 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

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CarriesPlainville Road
CrossesErie Canal
Location3.4 MI NE JCT I90 & SH 31
RouteCounty Highway 0
CountyOnondaga County
StateNew York
Coordinates43.11313, -76.43922
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length316 ft (96.3 m)
Longest span310 ft (94.5 m)
Deck width36 ft (11.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deck15 ft (4.5 m)

Traffic and service

Average daily traffic1,858 (2018)
Projected traffic2,597 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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$13.2 million (2024 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Plainville Road over Erie Canal built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2005.

What condition is Plainville Road 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 July 2023.

How much traffic does Plainville Road over Erie Canal carry?

About 1,858 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Plainville Road over Erie Canal?

The structure is 316 ft (96.3 m) long with a longest span of 310 ft (94.5 m) and a deck 36 ft wide.

Who owns Plainville Road over Erie Canal?

It is owned by the State Highway Agency.