US Bridges

I 90 WB over HWY Little Alum Pd RD

Fair

Hampden County, Massachusetts · Mm 73.7 on I-90 · Structure no. B240404KVDOTNBI

Built
1957
68 years old, rebuilt 1992
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
47,303
2023 count
Owner
State
State Highway Agency

About this bridge

I 90 WB over HWY Little Alum Pd RD is a steel stringer/multi-beam or girder carrying I 90 WB over HWY Little Alum Pd RD in Hampden County, Massachusetts. It was built in 1957 and reconstructed in 1992, 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 47,303 vehicles a day, roughly 10% of them trucks, projected to reach 53,745 by 2032. The structure is 40 ft (12.2 m) long and 45 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

Open in Google Maps
CarriesI 90 WB
CrossesHWY Little Alum Pd RD
LocationMm 73.7 on I-90
RouteInterstate 90
CountyHampden County
StateMassachusetts
Coordinates42.1468, -72.14368
Functional classRural 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 inspectionJanuary 2025
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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.8 US tons
Inventory rating50.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span35 ft (10.8 m)
Deck width45 ft (13.6 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,303 (2023)
Projected traffic53,745 by 2032
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed16.2 mi (26 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$1.7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 90 WB over HWY Little Alum Pd RD built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1992.

What condition is I 90 WB over HWY Little Alum Pd RD 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 January 2025.

How much traffic does I 90 WB over HWY Little Alum Pd RD carry?

About 47,303 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is I 90 WB over HWY Little Alum Pd RD?

The structure is 40 ft (12.2 m) long with a longest span of 35 ft (10.8 m) and a deck 45 ft wide.

Who owns I 90 WB over HWY Little Alum Pd RD?

It is owned by the State Highway Agency.