US Bridges

RTE 291 over Mohawk Adir & No

Fair

Oneida County, New York · 1.7 MI N JCT Rts 49 & 291 · Structure no. 000000001051790

Built
1985
40 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
212 ft
3 main spans
Daily traffic
1,267
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 291 over Mohawk Adir & No is a prestressed concrete continuous box beam or girders - multiple carrying RTE 291 over Mohawk Adir & No in Oneida County, New York. It was built in 1985, so it is 40 years old, younger 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 1,267 vehicles a day, roughly 5% of them trucks, projected to reach 1,539 by 2041. The structure is 212 ft (64.6 m) long and 43 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

Location

Open in Google Maps
CarriesRTE 291
CrossesMohawk Adir & No
Location1.7 MI N JCT Rts 49 & 291
RouteState Highway 291
CountyOneida County
StateNew York
Coordinates43.16959, -75.29159
Functional classUrban 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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating65 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length212 ft (64.6 m)
Longest span84 ft (25.6 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,267 (2020)
Projected traffic1,539 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed12.4 mi (20 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$3.3 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 291 over Mohawk Adir & No built?

It was built in 1985, making it 40 years old in 2025.

What condition is RTE 291 over Mohawk Adir & No 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 291 over Mohawk Adir & No carry?

About 1,267 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is RTE 291 over Mohawk Adir & No?

The structure is 212 ft (64.6 m) long with a longest span of 84 ft (25.6 m) and a deck 43 ft wide.

Who owns RTE 291 over Mohawk Adir & No?

It is owned by the State Highway Agency.