US Bridges

RTE 46 over Mohawk River

Good

Oneida County, New York · 3.6 MI N JCT Rts 26 & 46 · Structure no. 000000001025750

Built
1991
34 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
128 ft
1 main span
Daily traffic
10,697
2018 count
Owner
State
State Highway Agency

About this bridge

RTE 46 over Mohawk River is a steel stringer/multi-beam or girder carrying RTE 46 over Mohawk River in Oneida County, New York. It was built in 1991, so it is 34 years old, younger than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,697 vehicles a day, roughly 4% of them trucks, projected to reach 12,994 by 2041. The structure is 128 ft (39 m) long and 42 ft wide. If it were closed, the detour would be 28.6 mi (46 km).

Location

Open in Google Maps
CarriesRTE 46
CrossesMohawk River
Location3.6 MI N JCT Rts 26 & 46
RouteState Highway 46
CountyOneida County
StateNew York
Coordinates43.26392, -75.43574
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating87 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length128 ft (39 m)
Longest span124 ft (37.7 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,697 (2018)
Projected traffic12,994 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28.6 mi (46 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$2.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 46 over Mohawk River built?

It was built in 1991, making it 34 years old in 2025.

What condition is RTE 46 over Mohawk River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does RTE 46 over Mohawk River carry?

About 10,697 vehicles per day (2018 count), of which roughly 4% are trucks.

How long is RTE 46 over Mohawk River?

The structure is 128 ft (39 m) long with a longest span of 124 ft (37.7 m) and a deck 42 ft wide.

Who owns RTE 46 over Mohawk River?

It is owned by the State Highway Agency.