US Bridges

Cunningham Road over Eightmile Creek

Poor

Oswego County, New York · 2.8 MI NE of Hannibal · Structure no. 000000003313260

Built
1938
87 years old
Condition
Poor
inspected April 2024
Type
Culvert
Concrete
Length
26 ft
1 main span
Daily traffic
569
2018 count
Owner
County
County Highway Agency

About this bridge

Cunningham Road over Eightmile Creek is a concrete culvert carrying Cunningham Road over Eightmile Creek in Oswego County, New York. It was built in 1938, so it is 87 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 569 vehicles a day, roughly 4% of them trucks, projected to reach 797 by 2038. The structure is 26 ft (7.9 m) long and 36 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCunningham Road
CrossesEightmile Creek
Location2.8 MI NE of Hannibal
RouteCounty Highway 0
Coordinates43.35345, -76.55196
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating79.4 US tons
Inventory rating14.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic569 (2018)
Projected traffic797 by 2038
Trucks4%
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 statusHistorical significance not determinable at this time
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$655,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cunningham Road over Eightmile Creek built?

It was built in 1938, making it 87 years old in 2025.

What condition is Cunningham Road over Eightmile Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does Cunningham Road over Eightmile Creek carry?

About 569 vehicles per day (2018 count), of which roughly 4% are trucks.

How long is Cunningham Road over Eightmile Creek?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 36 ft wide.

Who owns Cunningham Road over Eightmile Creek?

It is owned by the County Highway Agency.