US Bridges

RTE I81 over RTE 11

Poor

Onondaga County, New York · JCT of Rts I-81 NB + 11 · Structure no. 000000006008462

Built
1963
62 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
293 ft
4 main spans
Daily traffic
15,922
2019 count
Owner
State
State Highway Agency

About this bridge

RTE I81 over RTE 11 is a steel stringer/multi-beam or girder carrying RTE I81 over RTE 11 in Onondaga County, New York. It was built in 1963, so it is 62 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 15,922 vehicles a day, roughly 21% of them trucks, projected to reach 17,848 by 2041. The structure is 293 ft (89.3 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesRTE I81
CrossesRTE 11
LocationJCT of Rts I-81 NB + 11
RouteInterstate 81
CountyOnondaga County
StateNew York
Coordinates42.9589, -76.1372
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 rating58 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length293 ft (89.3 m)
Longest span93 ft (28.3 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,922 (2019)
Projected traffic17,848 by 2041
Trucks21%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 proposedDeck replacement with only incidental widening
Estimated improvement cost$3.8 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I81 over RTE 11 built?

It was built in 1963, making it 62 years old in 2025.

What condition is RTE I81 over RTE 11 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 I81 over RTE 11 carry?

About 15,922 vehicles per day (2019 count), of which roughly 21% are trucks.

How long is RTE I81 over RTE 11?

The structure is 293 ft (89.3 m) long with a longest span of 93 ft (28.3 m) and a deck 33 ft wide.

Who owns RTE I81 over RTE 11?

It is owned by the State Highway Agency.