US Bridges

Knowlesville Road over Oak Orchard Creek

Good

Orleans County, New York · 1.9 MI S Ashwood · Structure no. 000000003319060

Built
2010
15 years old
Condition
Good
inspected October 2024
Type
Frame
Concrete
Length
79 ft
1 main span
Daily traffic
703
2021 count
Owner
County
County Highway Agency

About this bridge

Knowlesville Road over Oak Orchard Creek is a concrete frame carrying Knowlesville Road over Oak Orchard Creek in Orleans County, New York. It was built in 2010, so it is 15 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 703 vehicles a day, roughly 9% of them trucks, projected to reach 984 by 2041. The structure is 79 ft (24.1 m) long and 36 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesKnowlesville Road
CrossesOak Orchard Creek
Location1.9 MI S Ashwood
RouteCounty Highway 0
Coordinates43.30123, -78.31058
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.7 US tons
Inventory rating45 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length79 ft (24.1 m)
Longest span78 ft (23.8 m)
Deck width36 ft (11 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic703 (2021)
Projected traffic984 by 2041
Trucks9%
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

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$1.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Knowlesville Road over Oak Orchard Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is Knowlesville Road over Oak Orchard 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 October 2024.

How much traffic does Knowlesville Road over Oak Orchard Creek carry?

About 703 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is Knowlesville Road over Oak Orchard Creek?

The structure is 79 ft (24.1 m) long with a longest span of 78 ft (23.8 m) and a deck 36 ft wide.

Who owns Knowlesville Road over Oak Orchard Creek?

It is owned by the County Highway Agency.