US Bridges

RTE I81 over County Road 28

Fair

Oswego County, New York · Exit 35 of I81 · Structure no. 000000001031872

Built
1961
64 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
128 ft
3 main spans
Daily traffic
7,378
2020 count
Owner
State
State Highway Agency

About this bridge

RTE I81 over County Road 28 is a steel stringer/multi-beam or girder carrying RTE I81 over County Road 28 in Oswego County, New York. It was built in 1961, so it is 64 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 7,378 vehicles a day, roughly 25% of them trucks, projected to reach 8,270 by 2041. The structure is 128 ft (39 m) long and 35 ft wide.

CarriesRTE I81
CrossesCounty Road 28
LocationExit 35 of I81
RouteInterstate 81
Coordinates43.50687, -76.12102
Functional classRural Principal Arterial - Interstate

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating42 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length128 ft (39 m)
Longest span46 ft (14 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,378 (2020)
Projected traffic8,270 by 2041
Trucks25%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate 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$1.7 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I81 over County Road 28 built?

It was built in 1961, making it 64 years old in 2025.

What condition is RTE I81 over County Road 28 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 October 2024.

How much traffic does RTE I81 over County Road 28 carry?

About 7,378 vehicles per day (2020 count), of which roughly 25% are trucks.

How long is RTE I81 over County Road 28?

The structure is 128 ft (39 m) long with a longest span of 46 ft (14 m) and a deck 35 ft wide.

Who owns RTE I81 over County Road 28?

It is owned by the State Highway Agency.