US Bridges

Plastermill Road over Ganargua Creek

Good

Ontario County, New York · 1 MI E of Victor · Structure no. 000000003318290

Built
1990
35 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
101 ft
1 main span
Daily traffic
2,231
2019 count
Owner
County
County Highway Agency

About this bridge

Plastermill Road over Ganargua Creek is a prestressed concrete box beam or girders - multiple carrying Plastermill Road over Ganargua Creek in Ontario County, New York. It was built in 1990, so it is 35 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 2,231 vehicles a day, roughly 2% of them trucks, projected to reach 3,123 by 2039. The structure is 101 ft (30.8 m) long and 39 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesPlastermill Road
CrossesGanargua Creek
Location1 MI E of Victor
Coordinates42.9836, -77.38277
Functional classUrban Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating93 US tons
Inventory rating51 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length101 ft (30.8 m)
Longest span100 ft (30.4 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,231 (2019)
Projected traffic3,123 by 2039
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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$2.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Plastermill Road over Ganargua Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is Plastermill Road over Ganargua Creek 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 March 2023.

How much traffic does Plastermill Road over Ganargua Creek carry?

About 2,231 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is Plastermill Road over Ganargua Creek?

The structure is 101 ft (30.8 m) long with a longest span of 100 ft (30.4 m) and a deck 39 ft wide.

Who owns Plastermill Road over Ganargua Creek?

It is owned by the County Highway Agency.