US Bridges

RTE 104 over 81I 81I34041155 RTE I81

Fair

Oswego County, New York · JCT of Rts I-81 + 126 · Structure no. 000000001031850

Built
1961
64 years old, rebuilt 1991
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
320 ft
7 main spans
Daily traffic
3,263
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 104 over 81I 81I34041155 RTE I81 is a steel stringer/multi-beam or girder carrying RTE 104 over 81I 81I34041155 RTE I81 in Oswego County, New York. It was built in 1961 and reconstructed in 1991, 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 3,263 vehicles a day, roughly 14% of them trucks, projected to reach 3,373 by 2041. The structure is 320 ft (97.5 m) long and 39 ft wide.

CarriesRTE 104
Crosses81I 81I34041155 RTE I81
LocationJCT of Rts I-81 + 126
RouteState Highway 104
Coordinates43.4576, -76.11987
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJune 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length320 ft (97.5 m)
Longest span47 ft (14.3 m)
Deck width39 ft (11.8 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,263 (2020)
Projected traffic3,373 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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$4.2 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 104 over 81I 81I34041155 RTE I81 built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1991.

What condition is RTE 104 over 81I 81I34041155 RTE I81 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 June 2024.

How much traffic does RTE 104 over 81I 81I34041155 RTE I81 carry?

About 3,263 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is RTE 104 over 81I 81I34041155 RTE I81?

The structure is 320 ft (97.5 m) long with a longest span of 47 ft (14.3 m) and a deck 39 ft wide.

Who owns RTE 104 over 81I 81I34041155 RTE I81?

It is owned by the State Highway Agency.