US Bridges

I 91 over HWY Wn Ramp

Fair

Hampden County, Massachusetts · Mile Marker 0.4 on I-91 · Structure no. C130370X2DOTNBI

Built
1967
58 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
75 ft
1 main span
Daily traffic
84,000
2019 count
Owner
State
State Highway Agency

About this bridge

I 91 over HWY Wn Ramp is a steel stringer/multi-beam or girder carrying I 91 over HWY Wn Ramp in Hampden County, Massachusetts. It was built in 1967, so it is 58 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 84,000 vehicles a day, roughly 10% of them trucks, projected to reach 145,853 by 2032. The structure is 75 ft (23 m) long and 156 ft wide.

Location

Open in Google Maps
CarriesI 91
CrossesHWY Wn Ramp
LocationMile Marker 0.4 on I-91
RouteInterstate 91
CountyHampden County
StateMassachusetts
Coordinates42.1333, -72.60881
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
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 rating54.2 US tons
Inventory rating29.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length75 ft (23 m)
Longest span70 ft (21.3 m)
Deck width156 ft (47.4 m)
Roadway width143 ft (43.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic84,000 (2019)
Projected traffic145,853 by 2032
Trucks10%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free 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$11.1 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 91 over HWY Wn Ramp built?

It was built in 1967, making it 58 years old in 2025.

What condition is I 91 over HWY Wn Ramp 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 August 2023.

How much traffic does I 91 over HWY Wn Ramp carry?

About 84,000 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is I 91 over HWY Wn Ramp?

The structure is 75 ft (23 m) long with a longest span of 70 ft (21.3 m) and a deck 156 ft wide.

Who owns I 91 over HWY Wn Ramp?

It is owned by the State Highway Agency.