US Bridges

Mahoney Road over Farrington Brook

Poor

Franklin County, New York · 1.7MI S South Bombay · Structure no. 000000003337150

Built
1973
52 years old
Condition
Poor
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
56 ft
1 main span
Daily traffic
165
2016 count
Owner
County
County Highway Agency

About this bridge

Mahoney Road over Farrington Brook is a steel stringer/multi-beam or girder carrying Mahoney Road over Farrington Brook in Franklin County, New York. It was built in 1973, so it is 52 years old, younger 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 165 vehicles a day, roughly 17% of them trucks, projected to reach 231 by 2036. The structure is 56 ft (17.1 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesMahoney Road
CrossesFarrington Brook
Location1.7MI S South Bombay
CountyFranklin County
StateNew York
Coordinates44.86882, -74.53933
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckOpen grating
Main spans1
Design loadOther
Structure length56 ft (17.1 m)
Longest span51 ft (15.5 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic165 (2016)
Projected traffic231 by 2036
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$916,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mahoney Road over Farrington Brook built?

It was built in 1973, making it 52 years old in 2025.

What condition is Mahoney Road over Farrington Brook 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 2023.

How much traffic does Mahoney Road over Farrington Brook carry?

About 165 vehicles per day (2016 count), of which roughly 17% are trucks.

How long is Mahoney Road over Farrington Brook?

The structure is 56 ft (17.1 m) long with a longest span of 51 ft (15.5 m) and a deck 26 ft wide.

Who owns Mahoney Road over Farrington Brook?

It is owned by the County Highway Agency.