US Bridges

RTE I81 over Webb Road

Fair

Onondaga County, New York · 2.2 MI N JCT Rts I-81 +20 · Structure no. 000000001031480

Built
1958
67 years old, rebuilt 1972
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
58 ft
1 main span
Daily traffic
29,218
2019 count
Owner
State
State Highway Agency

About this bridge

RTE I81 over Webb Road is a concrete culvert carrying RTE I81 over Webb Road in Onondaga County, New York. It was built in 1958 and reconstructed in 1972, so it is 67 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 29,218 vehicles a day, roughly 21% of them trucks, projected to reach 32,753 by 2041. The structure is 58 ft (17.7 m) long and 175 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesRTE I81
CrossesWebb Road
Location2.2 MI N JCT Rts I-81 +20
RouteInterstate 81
CountyOnondaga County
StateNew York
Coordinates42.92293, -76.12269
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.2 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length58 ft (17.7 m)
Longest span51 ft (15.5 m)
Deck width175 ft (53.2 m)
Roadway width161 ft (49.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,218 (2019)
Projected traffic32,753 by 2041
Trucks21%
Lanes on structure5
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$8 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I81 over Webb Road built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1972.

What condition is RTE I81 over Webb Road in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does RTE I81 over Webb Road carry?

About 29,218 vehicles per day (2019 count), of which roughly 21% are trucks.

How long is RTE I81 over Webb Road?

The structure is 58 ft (17.7 m) long with a longest span of 51 ft (15.5 m) and a deck 175 ft wide.

Who owns RTE I81 over Webb Road?

It is owned by the State Highway Agency.