US Bridges

RTE I90 over RTE 950M

Good

Erie County, New York · Town of West Seneca · Structure no. 000000005042589

Built
1958
67 years old, rebuilt 2019
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
175 ft
3 main spans
Daily traffic
93,430
2017 count
Owner
Toll Authority
State Toll Authority

About this bridge

RTE I90 over RTE 950M is a steel continuous stringer/multi-beam or girder carrying RTE I90 over RTE 950M in Erie County, New York. It was built in 1958 and reconstructed in 2019, 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 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 93,430 vehicles a day, roughly 12% of them trucks, projected to reach 104,707 by 2041. The structure is 175 ft (53.3 m) long and 152 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRTE I90
CrossesRTE 950M
LocationTown of West Seneca
RouteInterstate 90
CountyErie County
StateNew York
Coordinates42.83719, -78.7931
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
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
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 rating61.8 US tons
Inventory rating45.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length175 ft (53.3 m)
Longest span79 ft (24.1 m)
Deck width152 ft (46.3 m)
Roadway width146 ft (44.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic93,430 (2017)
Projected traffic104,707 by 2041
Trucks12%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn an Interstate toll segment under Secretarial agreement
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$17 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I90 over RTE 950M built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2019.

What condition is RTE I90 over RTE 950M 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 October 2023.

How much traffic does RTE I90 over RTE 950M carry?

About 93,430 vehicles per day (2017 count), of which roughly 12% are trucks.

How long is RTE I90 over RTE 950M?

The structure is 175 ft (53.3 m) long with a longest span of 79 ft (24.1 m) and a deck 152 ft wide.

Who owns RTE I90 over RTE 950M?

It is owned by the State Toll Authority.