US Bridges

RTE I90 over Gridley Creek

Fair

Oneida County, New York · 2.1 MI W 90I Exit 31 Ramp · Structure no. 000000005513129

Built
1955
70 years old, rebuilt 1999
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
34 ft
2 main spans
Daily traffic
1,137
2017 count
Owner
Toll Authority
State Toll Authority

About this bridge

RTE I90 over Gridley Creek is a concrete culvert carrying RTE I90 over Gridley Creek in Oneida County, New York. It was built in 1955 and reconstructed in 1999, so it is 70 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 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 1,137 vehicles a day, roughly 18% of them trucks, projected to reach 1,418 by 2041. The structure is 34 ft (10.4 m) long and 280 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesRTE I90
CrossesGridley Creek
Location2.1 MI W 90I Exit 31 Ramp
RouteInterstate 90
Coordinates43.12553, -75.24216
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.8 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length34 ft (10.4 m)
Longest span16 ft (4.9 m)
Deck width280 ft (85.3 m)
Roadway width205 ft (62.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,137 (2017)
Projected traffic1,418 by 2041
Trucks18%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn an Interstate toll segment under Secretarial agreement
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$4.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I90 over Gridley Creek built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1999.

What condition is RTE I90 over Gridley Creek 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 April 2023.

How much traffic does RTE I90 over Gridley Creek carry?

About 1,137 vehicles per day (2017 count), of which roughly 18% are trucks.

How long is RTE I90 over Gridley Creek?

The structure is 34 ft (10.4 m) long with a longest span of 16 ft (4.9 m) and a deck 280 ft wide.

Who owns RTE I90 over Gridley Creek?

It is owned by the State Toll Authority.