US Bridges

RTE 46 over Black River Canal

Fair

Oneida County, New York · 2 MI S JCT SH 46 & SH 294 · Structure no. 000000001025800

Built
1946
79 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
37 ft
1 main span
Daily traffic
1,051
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 46 over Black River Canal is a concrete culvert carrying RTE 46 over Black River Canal in Oneida County, New York. It was built in 1946, so it is 79 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 1,051 vehicles a day, roughly 10% of them trucks, projected to reach 1,057 by 2041. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 21.7 mi (35 km).

CarriesRTE 46
CrossesBlack River Canal
Location2 MI S JCT SH 46 & SH 294
RouteState Highway 46
Coordinates43.43786, -75.32954
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
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating82 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length37 ft (11.3 m)
Longest span29 ft (8.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,051 (2021)
Projected traffic1,057 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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$382,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 46 over Black River Canal built?

It was built in 1946, making it 79 years old in 2025.

What condition is RTE 46 over Black River Canal 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 46 over Black River Canal carry?

About 1,051 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is RTE 46 over Black River Canal?

The structure is 37 ft (11.3 m) long with a longest span of 29 ft (8.8 m).

Who owns RTE 46 over Black River Canal?

It is owned by the State Highway Agency.