US Bridges

County Road 12 over 81I 81I34041046 RTE I81

Fair

Oswego County, New York · 1.1 MI N JCT I81 & SH 49 · Structure no. 000000001031780

Built
1960
65 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
290 ft
5 main spans
Daily traffic
957
2020 count
Owner
State
State Highway Agency

About this bridge

County Road 12 over 81I 81I34041046 RTE I81 is a steel stringer/multi-beam or girder carrying County Road 12 over 81I 81I34041046 RTE I81 in Oswego County, New York. It was built in 1960, so it is 65 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 957 vehicles a day, roughly 8% of them trucks, projected to reach 984 by 2041. The structure is 290 ft (88.4 m) long and 35 ft wide.

CarriesCounty Road 12
Crosses81I 81I34041046 RTE I81
Location1.1 MI N JCT I81 & SH 49
RouteCounty Highway 0
Coordinates43.30458, -76.12672
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating29 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length290 ft (88.4 m)
Longest span61 ft (18.5 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic957 (2020)
Projected traffic984 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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$3.6 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was County Road 12 over 81I 81I34041046 RTE I81 built?

It was built in 1960, making it 65 years old in 2025.

What condition is County Road 12 over 81I 81I34041046 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 September 2023.

How much traffic does County Road 12 over 81I 81I34041046 RTE I81 carry?

About 957 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is County Road 12 over 81I 81I34041046 RTE I81?

The structure is 290 ft (88.4 m) long with a longest span of 61 ft (18.5 m) and a deck 35 ft wide.

Who owns County Road 12 over 81I 81I34041046 RTE I81?

It is owned by the State Highway Agency.