US Bridges

County Road 146 over Mayfield Creek

Fair

Fulton County, New York · 1.0 MI W of Mayfieid · Structure no. 000000003307050

Built
1953
72 years old
Condition
Fair
inspected August 2023
Type
Arch - Deck
Steel
Length
28 ft
1 main span
Daily traffic
720
2021 count
Owner
County
County Highway Agency

About this bridge

County Road 146 over Mayfield Creek is a steel arch - deck carrying County Road 146 over Mayfield Creek in Fulton County, New York. It was built in 1953, so it is 72 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 720 vehicles a day, roughly 5% of them trucks, projected to reach 1,008 by 2041. The structure is 28 ft (8.5 m) long and 32 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCounty Road 146
CrossesMayfield Creek
Location1.0 MI W of Mayfieid
RouteCounty Highway 0
CountyFulton County
StateNew York
Coordinates43.10379, -74.27997
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeArch - Deck
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span24 ft (7.3 m)
Deck width32 ft (9.8 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic720 (2021)
Projected traffic1,008 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$295,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 146 over Mayfield Creek built?

It was built in 1953, making it 72 years old in 2025.

What condition is County Road 146 over Mayfield Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.

How much traffic does County Road 146 over Mayfield Creek carry?

About 720 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is County Road 146 over Mayfield Creek?

The structure is 28 ft (8.5 m) long with a longest span of 24 ft (7.3 m) and a deck 32 ft wide.

Who owns County Road 146 over Mayfield Creek?

It is owned by the County Highway Agency.