US Bridges

N Millgrove RD over 90IX RTE I90

Fair

Erie County, New York · 4.8 MI W JCT I90<ERIE Cl · Structure no. 000000005511660

Built
1953
72 years old, rebuilt 1995
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
225 ft
4 main spans
Daily traffic
2,236
2020 count
Owner
Toll Authority
State Toll Authority

About this bridge

N Millgrove RD over 90IX RTE I90 is a steel continuous stringer/multi-beam or girder carrying N Millgrove RD over 90IX RTE I90 in Erie County, New York. It was built in 1953 and reconstructed in 1995, so it is 72 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 2,236 vehicles a day, roughly 6% of them trucks, projected to reach 3,130 by 2040. The structure is 225 ft (68.6 m) long and 33 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

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CarriesN Millgrove RD
Crosses90IX RTE I90
Location4.8 MI W JCT I90<ERIE Cl
RouteCounty Highway 0
CountyErie County
StateNew York
Coordinates42.96426, -78.55273
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating85 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length225 ft (68.6 m)
Longest span73 ft (22.3 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,236 (2020)
Projected traffic3,130 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

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$4.8 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was N Millgrove RD over 90IX RTE I90 built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1995.

What condition is N Millgrove RD over 90IX RTE I90 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 April 2023.

How much traffic does N Millgrove RD over 90IX RTE I90 carry?

About 2,236 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is N Millgrove RD over 90IX RTE I90?

The structure is 225 ft (68.6 m) long with a longest span of 73 ft (22.3 m) and a deck 33 ft wide.

Who owns N Millgrove RD over 90IX RTE I90?

It is owned by the State Toll Authority.