US Bridges

RTE 31 over Brandy Brook

Fair

Oneida County, New York · 27MI E JCT Rts 31+46 · Structure no. 000000001022010

Built
1932
93 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
4,369
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 31 over Brandy Brook is a concrete culvert carrying RTE 31 over Brandy Brook in Oneida County, New York. It was built in 1932, so it is 93 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 5 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 4,369 vehicles a day, roughly 9% of them trucks, projected to reach 4,396 by 2041. The structure is 29 ft (8.8 m) long and 49 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

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CarriesRTE 31
CrossesBrandy Brook
Location27MI E JCT Rts 31+46
RouteState Highway 31
CountyOneida County
StateNew York
Coordinates43.13908, -75.62432
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable 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 rating80.1 US tons
Inventory rating32.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length29 ft (8.8 m)
Longest span14 ft (4.2 m)
Deck width49 ft (14.8 m)
Roadway width47 ft (14.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,369 (2020)
Projected traffic4,396 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$755,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 31 over Brandy Brook built?

It was built in 1932, making it 93 years old in 2025.

What condition is RTE 31 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 November 2023.

How much traffic does RTE 31 over Brandy Brook carry?

About 4,369 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is RTE 31 over Brandy Brook?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.2 m) and a deck 49 ft wide.

Who owns RTE 31 over Brandy Brook?

It is owned by the State Highway Agency.