US Bridges

I 90 EB over ST141 Grattan ST

Fair

Hampden County, Massachusetts · Mm 48.4 on I90 EB · Structure no. C130204J4DOTNBI

Built
1957
68 years old, rebuilt 1988
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
149 ft
1 main span
Daily traffic
60,000
2017 count
Owner
State
State Highway Agency

About this bridge

I 90 EB over ST141 Grattan ST is a steel stringer/multi-beam or girder carrying I 90 EB over ST141 Grattan ST in Hampden County, Massachusetts. It was built in 1957 and reconstructed in 1988, 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 60,000 vehicles a day, roughly 12% of them trucks, projected to reach 51,060 by 2032. The structure is 149 ft (45.3 m) long and 46 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesI 90 EB
CrossesST141 Grattan ST
LocationMm 48.4 on I90 EB
RouteInterstate 90
CountyHampden County
StateMassachusetts
Coordinates42.16807, -72.59313
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
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 rating105.7 US tons
Inventory rating63.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length149 ft (45.3 m)
Longest span145 ft (44.2 m)
Deck width46 ft (13.9 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60,000 (2017)
Projected traffic51,060 by 2032
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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$1.2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 90 EB over ST141 Grattan ST built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1988.

What condition is I 90 EB over ST141 Grattan 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 March 2023.

How much traffic does I 90 EB over ST141 Grattan ST carry?

About 60,000 vehicles per day (2017 count), of which roughly 12% are trucks.

How long is I 90 EB over ST141 Grattan ST?

The structure is 149 ft (45.3 m) long with a longest span of 145 ft (44.2 m) and a deck 46 ft wide.

Who owns I 90 EB over ST141 Grattan ST?

It is owned by the State Highway Agency.