US Bridges

Brandy Brook Road over Brandy Brook

Fair

St. Lawrence County, New York · 2.5 MI S of Chipman · Structure no. 000000003341280

Built
1961
64 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
39
2018 count
Owner
County
County Highway Agency

About this bridge

Brandy Brook Road over Brandy Brook is a steel stringer/multi-beam or girder carrying Brandy Brook Road over Brandy Brook in St. Lawrence County, New York. It was built in 1961, so it is 64 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 39 vehicles a day, roughly 13% of them trucks, projected to reach 55 by 2038. The structure is 31 ft (9.4 m) long and 29 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

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CarriesBrandy Brook Road
CrossesBrandy Brook
Location2.5 MI S of Chipman
CountySt. Lawrence County
StateNew York
Coordinates44.75139, -75.19902
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 inspectionJune 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 geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span27 ft (8.2 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39 (2018)
Projected traffic55 by 2038
Trucks13%
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$402,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Brandy Brook Road over Brandy Brook built?

It was built in 1961, making it 64 years old in 2025.

What condition is Brandy Brook Road over Brandy Brook 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 June 2023.

How much traffic does Brandy Brook Road over Brandy Brook carry?

About 39 vehicles per day (2018 count), of which roughly 13% are trucks.

How long is Brandy Brook Road over Brandy Brook?

The structure is 31 ft (9.4 m) long with a longest span of 27 ft (8.2 m) and a deck 29 ft wide.

Who owns Brandy Brook Road over Brandy Brook?

It is owned by the County Highway Agency.