US Bridges

I 90 over I 391

Fair

Hampden County, Massachusetts · Mm 47.3 on I-90 · Structure no. C130430WUDOTNBI

Built
1978
47 years old, rebuilt 2013
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
200 ft
2 main spans
Daily traffic
45,262
2023 count
Owner
State
State Highway Agency

About this bridge

I 90 over I 391 is a steel continuous stringer/multi-beam or girder carrying I 90 over I 391 in Hampden County, Massachusetts. It was built in 1978 and reconstructed in 2013, so it is 47 years old, younger 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 5 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 45,262 vehicles a day, roughly 14% of them trucks, projected to reach 70,472 by 2031. The structure is 200 ft (61 m) long and 89 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesI 90
CrossesI 391
LocationMm 47.3 on I-90
RouteInterstate 90
CountyHampden County
StateMassachusetts
Coordinates42.15796, -72.61027
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.6 US tons
Inventory rating38.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length200 ft (61 m)
Longest span98 ft (30 m)
Deck width89 ft (27 m)
Roadway width81 ft (24.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45,262 (2023)
Projected traffic70,472 by 2031
Trucks14%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$7.8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 90 over I 391 built?

It was built in 1978, making it 47 years old in 2025. It was reconstructed in 2013.

What condition is I 90 over I 391 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 2024.

How much traffic does I 90 over I 391 carry?

About 45,262 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is I 90 over I 391?

The structure is 200 ft (61 m) long with a longest span of 98 ft (30 m) and a deck 89 ft wide.

Who owns I 90 over I 391?

It is owned by the State Highway Agency.