US Bridges

I 90 EB over HWY West ST

Good

Hampden County, Massachusetts · Mm 52.8 on I-90 EB · Structure no. L160174JMDOTNBI

Built
1957
68 years old, rebuilt 1995
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
117 ft
3 main spans
Daily traffic
54,569
2017 count
Owner
State
State Highway Agency

About this bridge

I 90 EB over HWY West ST is a steel stringer/multi-beam or girder carrying I 90 EB over HWY West ST in Hampden County, Massachusetts. It was built in 1957 and reconstructed in 1995, so it is 68 years old, older than the Massachusetts average of 63.8 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 54,569 vehicles a day, roughly 12% of them trucks, projected to reach 67,005 by 2032. The structure is 117 ft (35.7 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI 90 EB
CrossesHWY West ST
LocationMm 52.8 on I-90 EB
RouteInterstate 90
CountyHampden County
StateMassachusetts
Coordinates42.164, -72.51011
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.2 US tons
Inventory rating53.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length117 ft (35.7 m)
Longest span54 ft (16.6 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54,569 (2017)
Projected traffic67,005 by 2032
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$482,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 90 EB over HWY West ST built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1995.

What condition is I 90 EB over HWY West ST 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 February 2025.

How much traffic does I 90 EB over HWY West ST carry?

About 54,569 vehicles per day (2017 count), of which roughly 12% are trucks.

How long is I 90 EB over HWY West ST?

The structure is 117 ft (35.7 m) long with a longest span of 54 ft (16.6 m) and a deck 45 ft wide.

Who owns I 90 EB over HWY West ST?

It is owned by the State Highway Agency.