US Bridges

RTE 342 over RTE I81 RTE I81

Poor

Jefferson County, New York · 5.0 Miles North of Watert · Structure no. 000000001043270

Built
1965
60 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
306 ft
5 main spans
Daily traffic
7,799
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 342 over RTE I81 RTE I81 is a steel stringer/multi-beam or girder carrying RTE 342 over RTE I81 RTE I81 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 7,799 vehicles a day, roughly 14% of them trucks, projected to reach 9,474 by 2041. The structure is 306 ft (93.3 m) long and 35 ft wide.

CarriesRTE 342
CrossesRTE I81 RTE I81
Location5.0 Miles North of Watert
RouteState Highway 342
Coordinates44.03521, -75.91451
Functional classUrban Minor Arterial

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 inspectionOctober 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 geometry4: Meets minimum tolerable limits to be 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 spans5
Design loadH 20
Structure length306 ft (93.3 m)
Longest span70 ft (21.3 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,799 (2021)
Projected traffic9,474 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$3.5 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 342 over RTE I81 RTE I81 built?

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

What condition is RTE 342 over RTE I81 RTE I81 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 October 2024.

How much traffic does RTE 342 over RTE I81 RTE I81 carry?

About 7,799 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is RTE 342 over RTE I81 RTE I81?

The structure is 306 ft (93.3 m) long with a longest span of 70 ft (21.3 m) and a deck 35 ft wide.

Who owns RTE 342 over RTE I81 RTE I81?

It is owned by the State Highway Agency.