US Bridges

I 90 WB over HWY West ST

Fair

Hampden County, Massachusetts · Mm 52.8 on I-90 WB · Structure no. L160174JNDOTNBI

Built
1957
68 years old, rebuilt 1995
Condition
Fair
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 WB over HWY West ST is a steel stringer/multi-beam or girder carrying I 90 WB 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 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 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 WB
CrossesHWY West ST
LocationMm 52.8 on I-90 WB
RouteInterstate 90
CountyHampden County
StateMassachusetts
Coordinates42.16431, -72.5101
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.6 US tons
Inventory rating52.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
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 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$962,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 90 WB 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 WB over HWY West ST 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 February 2025.

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

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

How long is I 90 WB 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 WB over HWY West ST?

It is owned by the State Highway Agency.