US Bridges

I 90 EB over I 90 Exit 51 Ramps

Fair

Hampden County, Massachusetts · Mm 51.2 on I-90 EB · Structure no. C130534HMDOTNBI

Built
1957
68 years old, rebuilt 1995
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
32,675
2017 count
Owner
State
State Highway Agency

About this bridge

I 90 EB over I 90 Exit 51 Ramps is a steel stringer/multi-beam or girder carrying I 90 EB over I 90 Exit 51 Ramps 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 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 32,675 vehicles a day, roughly 12% of them trucks, projected to reach 49,614 by 2031. The structure is 60 ft (18.3 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI 90 EB
CrossesI 90 Exit 51 Ramps
LocationMm 51.2 on I-90 EB
RouteInterstate 90
CountyHampden County
StateMassachusetts
Coordinates42.16138, -72.5421
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.9 US tons
Inventory rating37.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length60 ft (18.3 m)
Longest span55 ft (16.8 m)
Deck width57 ft (17.4 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,675 (2017)
Projected traffic49,614 by 2031
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3.2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 90 EB over I 90 Exit 51 Ramps 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 I 90 Exit 51 Ramps 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 June 2024.

How much traffic does I 90 EB over I 90 Exit 51 Ramps carry?

About 32,675 vehicles per day (2017 count), of which roughly 12% are trucks.

How long is I 90 EB over I 90 Exit 51 Ramps?

The structure is 60 ft (18.3 m) long with a longest span of 55 ft (16.8 m) and a deck 57 ft wide.

Who owns I 90 EB over I 90 Exit 51 Ramps?

It is owned by the State Highway Agency.