US Bridges

RTE I690 over 81I 81I33032046 RTE I81

Poor

Onondaga County, New York · Viaduct I-690 EB@I-81 Int · Structure no. 000000001051000

Built
1968
57 years old, rebuilt 2016
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
3,147 ft
31 main spans
Daily traffic
59,174
2017 count
Owner
State
State Highway Agency

About this bridge

RTE I690 over 81I 81I33032046 RTE I81 is a steel stringer/multi-beam or girder carrying RTE I690 over 81I 81I33032046 RTE I81 in Onondaga County, New York. It was built in 1968 and reconstructed in 2016, so it is 57 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 59,174 vehicles a day, roughly 8% of them trucks, projected to reach 85,358 by 2041. The structure is 3,147 ft (959.2 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE I690
Crosses81I 81I33032046 RTE I81
LocationViaduct I-690 EB@I-81 Int
RouteInterstate 690
Coordinates43.05396, -76.15345
Functional classUrban 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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating46 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans31
Design loadHS 20
Structure length3,147 ft (959.2 m)
Longest span120 ft (36.5 m)
Deck width41 ft (12.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic59,174 (2017)
Projected traffic85,358 by 2041
Trucks8%
Lanes on structure3
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$42.2 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I690 over 81I 81I33032046 RTE I81 built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2016.

What condition is RTE I690 over 81I 81I33032046 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 November 2024.

How much traffic does RTE I690 over 81I 81I33032046 RTE I81 carry?

About 59,174 vehicles per day (2017 count), of which roughly 8% are trucks.

How long is RTE I690 over 81I 81I33032046 RTE I81?

The structure is 3,147 ft (959.2 m) long with a longest span of 120 ft (36.5 m) and a deck 41 ft wide.

Who owns RTE I690 over 81I 81I33032046 RTE I81?

It is owned by the State Highway Agency.