US Bridges

RTE I81 over County Road 15

Poor

Jefferson County, New York · 3.7 MI S JCT I-81 + 411 · Structure no. 000000001032241

Built
1965
60 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
131 ft
3 main spans
Daily traffic
4,824
2014 count
Owner
State
State Highway Agency

About this bridge

RTE I81 over County Road 15 is a steel stringer/multi-beam or girder carrying RTE I81 over County Road 15 in Jefferson County, New York. It was built in 1965, so it is 60 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 4,824 vehicles a day, roughly 22% of them trucks. The structure is 131 ft (39.9 m) long and 35 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesRTE I81
CrossesCounty Road 15
Location3.7 MI S JCT I-81 + 411
RouteInterstate 81
CountyJefferson County
StateNew York
Coordinates44.13723, -75.88214
Functional classRural Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating58 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length131 ft (39.9 m)
Longest span49 ft (14.9 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,824 (2014)
Projected traffic—
Trucks22%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 km)
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$1.6 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I81 over County Road 15 built?

It was built in 1965, making it 60 years old in 2025.

What condition is RTE I81 over County Road 15 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does RTE I81 over County Road 15 carry?

About 4,824 vehicles per day (2014 count), of which roughly 22% are trucks.

How long is RTE I81 over County Road 15?

The structure is 131 ft (39.9 m) long with a longest span of 49 ft (14.9 m) and a deck 35 ft wide.

Who owns RTE I81 over County Road 15?

It is owned by the State Highway Agency.