US Bridges

RTE I81 over East Colvin ST

Poor

Onondaga County, New York · 2.1 MI NW of Jamesville · Structure no. 000000001031549

Built
1965
60 years old
Condition
Poor
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
65 ft
1 main span
Daily traffic
41,653
2020 count
Owner
State
State Highway Agency

About this bridge

RTE I81 over East Colvin ST is a steel stringer/multi-beam or girder carrying RTE I81 over East Colvin ST in Onondaga 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 41,653 vehicles a day, roughly 17% of them trucks, projected to reach 60,084 by 2041. The structure is 65 ft (19.8 m) long and 111 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRTE I81
CrossesEast Colvin ST
Location2.1 MI NW of Jamesville
RouteInterstate 81
CountyOnondaga County
StateNew York
Coordinates43.02636, -76.14031
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95 US tons
Inventory rating57 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span61 ft (18.5 m)
Deck width111 ft (33.7 m)
Roadway width107 ft (32.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,653 (2020)
Projected traffic60,084 by 2041
Trucks17%
Lanes on structure6
Traffic directionTwo-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$5 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I81 over East Colvin ST built?

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

What condition is RTE I81 over East Colvin ST 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 August 2023.

How much traffic does RTE I81 over East Colvin ST carry?

About 41,653 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is RTE I81 over East Colvin ST?

The structure is 65 ft (19.8 m) long with a longest span of 61 ft (18.5 m) and a deck 111 ft wide.

Who owns RTE I81 over East Colvin ST?

It is owned by the State Highway Agency.