US Bridges

RTE 921F over Mohawk River

Poor

Oneida County, New York · 0.25 MI North of Rt. 5A · Structure no. 000000001094280

Built
1935
90 years old
Condition
Poor
inspected July 2023
Type
Truss - Thru
Steel
Length
132 ft
1 main span
Daily traffic
—
2024 count
Owner
County
County Highway Agency

About this bridge

RTE 921F over Mohawk River is a steel truss - thru carrying RTE 921F over Mohawk River in Oneida County, New York. It was built in 1935, so it is 90 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

No traffic count is recorded. The structure is 132 ft (40.2 m) long and 34 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRTE 921F
CrossesMohawk River
Location0.25 MI North of Rt. 5A
RouteCity Street 921F
Coordinates43.11164, -75.24486
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 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
Deck geometry7: Better than present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating84 US tons
Inventory rating50 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length132 ft (40.2 m)
Longest span130 ft (39.6 m)
Deck width34 ft (10.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic—
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$6.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 921F over Mohawk River built?

It was built in 1935, making it 90 years old in 2025.

What condition is RTE 921F over Mohawk River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2023.

How much traffic does RTE 921F over Mohawk River carry?

No traffic count is recorded for this structure.

How long is RTE 921F over Mohawk River?

The structure is 132 ft (40.2 m) long with a longest span of 130 ft (39.6 m) and a deck 34 ft wide.

Who owns RTE 921F over Mohawk River?

It is owned by the County Highway Agency.