US Bridges

RTE I81 over From I81 to NY370 Ley C

Good

Onondaga County, New York · 1.3 MI S JCT I81 & I90 · Structure no. 000000001071342

Built
1984
41 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
2,176 ft
11 main spans
Daily traffic
31,412
2020 count
Owner
State
State Highway Agency

About this bridge

RTE I81 over From I81 to NY370 Ley C is a steel continuous stringer/multi-beam or girder carrying RTE I81 over From I81 to NY370 Ley C in Onondaga County, New York. It was built in 1984, so it is 41 years old, younger than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 31,412 vehicles a day, roughly 8% of them trucks, projected to reach 45,312 by 2041. The structure is 2,176 ft (663.2 m) long and 57 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE I81
CrossesFrom I81 to NY370 Ley C
Location1.3 MI S JCT I81 & I90
RouteInterstate 81
Coordinates43.07288, -76.17008
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83 US tons
Inventory rating50 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans11
Design loadHS 20
Structure length2,176 ft (663.2 m)
Longest span330 ft (100.5 m)
Deck width57 ft (17.5 m)
Roadway width54 ft (16.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,412 (2020)
Projected traffic45,312 by 2041
Trucks8%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed0.6 mi (1 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$41 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I81 over From I81 to NY370 Ley C built?

It was built in 1984, making it 41 years old in 2025.

What condition is RTE I81 over From I81 to NY370 Ley C in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does RTE I81 over From I81 to NY370 Ley C carry?

About 31,412 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is RTE I81 over From I81 to NY370 Ley C?

The structure is 2,176 ft (663.2 m) long with a longest span of 330 ft (100.5 m) and a deck 57 ft wide.

Who owns RTE I81 over From I81 to NY370 Ley C?

It is owned by the State Highway Agency.