US Bridges

RTE I481 over Thompson RD

Good

Onondaga County, New York · 0.6MI.E.INTERSEC.81I&481I · Structure no. 000000001072792

Built
1986
39 years old, rebuilt 2024
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
103 ft
1 main span
Daily traffic
17,367
2021 count
Owner
State
State Highway Agency

About this bridge

RTE I481 over Thompson RD is a steel stringer/multi-beam or girder carrying RTE I481 over Thompson RD in Onondaga County, New York. It was built in 1986 and reconstructed in 2024, so it is 39 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 17,367 vehicles a day, roughly 8% of them trucks, projected to reach 25,051 by 2041. The structure is 103 ft (31.4 m) long and 58 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRTE I481
CrossesThompson RD
Location0.6MI.E.INTERSEC.81I&481I
RouteInterstate 481
Coordinates43.14001, -76.10021
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
Deck9 ExcellentNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94 US tons
Inventory rating56 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length103 ft (31.4 m)
Longest span101 ft (30.7 m)
Deck width58 ft (17.7 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,367 (2021)
Projected traffic25,051 by 2041
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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$2.3 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I481 over Thompson RD built?

It was built in 1986, making it 39 years old in 2025. It was reconstructed in 2024.

What condition is RTE I481 over Thompson RD 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 December 2024.

How much traffic does RTE I481 over Thompson RD carry?

About 17,367 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is RTE I481 over Thompson RD?

The structure is 103 ft (31.4 m) long with a longest span of 101 ft (30.7 m) and a deck 58 ft wide.

Who owns RTE I481 over Thompson RD?

It is owned by the State Highway Agency.