US Bridges

RTE 274 over Big Brook

FairPosted for load

Oneida County, New York · 0.9 MI E JCT Rts 46 & 274 · Structure no. 000000001044100

Built
1931
94 years old, rebuilt 1991
Condition
Fair
inspected November 2024
Type
Truss - Thru
Steel
Length
112 ft
1 main span
Daily traffic
389
2017 count
Owner
State
State Highway Agency

About this bridge

RTE 274 over Big Brook is a steel truss - thru carrying RTE 274 over Big Brook in Oneida County, New York. It was built in 1931 and reconstructed in 1991, so it is 94 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. Its operating status is: posted for other load-capacity restriction.

It carries about 389 vehicles a day, roughly 6% of them trucks, projected to reach 545 by 2037. The structure is 112 ft (34.1 m) long and 26 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesRTE 274
CrossesBig Brook
Location0.9 MI E JCT Rts 46 & 274
RouteState Highway 274
Coordinates43.32264, -75.32649
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating28 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length112 ft (34.1 m)
Longest span100 ft (30.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic389 (2017)
Projected traffic545 by 2037
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$5.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 274 over Big Brook built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1991.

What condition is RTE 274 over Big 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 2024.

How much traffic does RTE 274 over Big Brook carry?

About 389 vehicles per day (2017 count), of which roughly 6% are trucks.

How long is RTE 274 over Big Brook?

The structure is 112 ft (34.1 m) long with a longest span of 100 ft (30.4 m) and a deck 26 ft wide.

Who owns RTE 274 over Big Brook?

It is owned by the State Highway Agency.