US Bridges

RTE 126 over Mohawk Adir & No Black

Fair

Jefferson County, New York · JCT SH 26 & Black River · Structure no. 000000001018920

Built
1949
76 years old, rebuilt 1994
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
459 ft
7 main spans
Daily traffic
9,125
2018 count
Owner
State
State Highway Agency

About this bridge

RTE 126 over Mohawk Adir & No Black is a steel continuous stringer/multi-beam or girder carrying RTE 126 over Mohawk Adir & No Black in Jefferson County, New York. It was built in 1949 and reconstructed in 1994, so it is 76 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 9,125 vehicles a day, roughly 4% of them trucks, projected to reach 11,085 by 2041. The structure is 459 ft (139.9 m) long and 52 ft wide. If it were closed, the detour would be 13.7 mi (22 km).

Location

Open in Google Maps
CarriesRTE 126
CrossesMohawk Adir & No Black
LocationJCT SH 26 & Black River
RouteState Highway 126
CountyJefferson County
StateNew York
Coordinates43.97599, -75.61261
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating69 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 25 or greater
Structure length459 ft (139.9 m)
Longest span66 ft (20.1 m)
Deck width52 ft (15.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,125 (2018)
Projected traffic11,085 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad and waterway
Detour if closed13.7 mi (22 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$8.6 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 126 over Mohawk Adir & No Black built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 1994.

What condition is RTE 126 over Mohawk Adir & No Black 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 July 2023.

How much traffic does RTE 126 over Mohawk Adir & No Black carry?

About 9,125 vehicles per day (2018 count), of which roughly 4% are trucks.

How long is RTE 126 over Mohawk Adir & No Black?

The structure is 459 ft (139.9 m) long with a longest span of 66 ft (20.1 m) and a deck 52 ft wide.

Who owns RTE 126 over Mohawk Adir & No Black?

It is owned by the State Highway Agency.