US Bridges

Plainville Road over Seneca River

Good

Onondaga County, New York · 4.5 MI S of Plainville · Structure no. 000000003313200

Built
2008
17 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
134 ft
1 main span
Daily traffic
1,858
2018 count
Owner
County
County Highway Agency

About this bridge

Plainville Road over Seneca River is a steel stringer/multi-beam or girder carrying Plainville Road over Seneca River in Onondaga County, New York. It was built in 2008, so it is 17 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 1,858 vehicles a day, roughly 5% of them trucks, projected to reach 2,597 by 2041. The structure is 134 ft (40.8 m) long and 33 ft wide. If it were closed, the detour would be 15.5 mi (25 km).

CarriesPlainville Road
CrossesSeneca River
Location4.5 MI S of Plainville
RouteCounty Highway 0
Coordinates43.09896, -76.4235
Functional classRural Major Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating73 US tons
Inventory rating44 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length134 ft (40.8 m)
Longest span130 ft (39.6 m)
Deck width33 ft (10 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

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 closed15.5 mi (25 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.9 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Plainville Road over Seneca River built?

It was built in 2008, making it 17 years old in 2025.

What condition is Plainville Road over Seneca River 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 July 2024.

How much traffic does Plainville Road over Seneca River carry?

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

How long is Plainville Road over Seneca River?

The structure is 134 ft (40.8 m) long with a longest span of 130 ft (39.6 m) and a deck 33 ft wide.

Who owns Plainville Road over Seneca River?

It is owned by the County Highway Agency.