US Bridges

County Road 41A over Grindstone Creek

Good

Oswego County, New York · 4.8 MI SW of Pulaski · Structure no. 000000003313880

Built
2017
8 years old
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
72 ft
1 main span
Daily traffic
346
2020 count
Owner
County
County Highway Agency

About this bridge

County Road 41A over Grindstone Creek is a prestressed concrete box beam or girders - multiple carrying County Road 41A over Grindstone Creek in Oswego County, New York. It was built in 2017, so it is 8 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 346 vehicles a day, roughly 9% of them trucks, projected to reach 484 by 2040. The structure is 72 ft (22 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCounty Road 41A
CrossesGrindstone Creek
Location4.8 MI SW of Pulaski
RouteCounty Highway 0
CountyOswego County
StateNew York
Coordinates43.49529, -76.15063
Functional classRural 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating42 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length72 ft (22 m)
Longest span69 ft (21 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic346 (2020)
Projected traffic484 by 2040
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$1.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 41A over Grindstone Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is County Road 41A over Grindstone 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 April 2024.

How much traffic does County Road 41A over Grindstone Creek carry?

About 346 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is County Road 41A over Grindstone Creek?

The structure is 72 ft (22 m) long with a longest span of 69 ft (21 m) and a deck 35 ft wide.

Who owns County Road 41A over Grindstone Creek?

It is owned by the County Highway Agency.