US Bridges

RTE I790 over RTE 921C

Good

Oneida County, New York · 2 MI E.Inters Rts 90I & 8 · Structure no. 000000001073600

Built
1989
36 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
170 ft
3 main spans
Daily traffic
2,293
2018 count
Owner
State
State Highway Agency

About this bridge

RTE I790 over RTE 921C is a steel continuous stringer/multi-beam or girder carrying RTE I790 over RTE 921C in Oneida County, New York. It was built in 1989, so it is 36 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 2,293 vehicles a day, roughly 28% of them trucks, projected to reach 2,641 by 2041. The structure is 170 ft (51.8 m) long and 54 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRTE I790
CrossesRTE 921C
Location2 MI E.Inters Rts 90I & 8
RouteInterstate 790
CountyOneida County
StateNew York
Coordinates43.11469, -75.21258
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: 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 rating52 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length170 ft (51.8 m)
Longest span85 ft (25.9 m)
Deck width54 ft (16.6 m)
Roadway width52 ft (15.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,293 (2018)
Projected traffic2,641 by 2041
Trucks28%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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$2.8 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I790 over RTE 921C built?

It was built in 1989, making it 36 years old in 2025.

What condition is RTE I790 over RTE 921C 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 April 2023.

How much traffic does RTE I790 over RTE 921C carry?

About 2,293 vehicles per day (2018 count), of which roughly 28% are trucks.

How long is RTE I790 over RTE 921C?

The structure is 170 ft (51.8 m) long with a longest span of 85 ft (25.9 m) and a deck 54 ft wide.

Who owns RTE I790 over RTE 921C?

It is owned by the State Highway Agency.