US Bridges

I 90 WB over HWY Chapin ST

Fair

Hampden County, Massachusetts · Mm 55.2 on I-90 WB · Structure no. L160074JFDOTNBI

Built
1957
68 years old, rebuilt 1995
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
155 ft
3 main spans
Daily traffic
25,800
2023 count
Owner
State
State Highway Agency

About this bridge

I 90 WB over HWY Chapin ST is a steel stringer/multi-beam or girder carrying I 90 WB over HWY Chapin 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 25,800 vehicles a day, roughly 7% of them trucks, projected to reach 41,093 by 2033. The structure is 155 ft (47.1 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 Chapin ST
LocationMm 55.2 on I-90 WB
RouteInterstate 90
CountyHampden County
StateMassachusetts
Coordinates42.16921, -72.46323
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
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 rating62.3 US tons
Inventory rating37.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length155 ft (47.1 m)
Longest span73 ft (22.3 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,800 (2023)
Projected traffic41,093 by 2033
Trucks7%
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$1.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 90 WB over HWY Chapin 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 Chapin 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 September 2023.

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

About 25,800 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is I 90 WB over HWY Chapin ST?

The structure is 155 ft (47.1 m) long with a longest span of 73 ft (22.3 m) and a deck 45 ft wide.

Who owns I 90 WB over HWY Chapin ST?

It is owned by the State Highway Agency.