US Bridges

I 91 over HWY East Loop

Fair

Hampden County, Massachusetts · Mm 8.9 on I-91 · Structure no. W2104510VDOTNBI

Built
1966
59 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
69 ft
1 main span
Daily traffic
73,585
2017 count
Owner
State
State Highway Agency

About this bridge

I 91 over HWY East Loop is a steel stringer/multi-beam or girder carrying I 91 over HWY East Loop in Hampden County, Massachusetts. It was built in 1966, so it is 59 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 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 73,585 vehicles a day, roughly 12% of them trucks, projected to reach 122,396 by 2031. The structure is 69 ft (20.9 m) long and 111 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 91
CrossesHWY East Loop
LocationMm 8.9 on I-91
RouteInterstate 91
Coordinates42.13597, -72.62144
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 rating57.8 US tons
Inventory rating31.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length69 ft (20.9 m)
Longest span65 ft (19.8 m)
Deck width111 ft (33.9 m)
Roadway width98 ft (30 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73,585 (2017)
Projected traffic122,396 by 2031
Trucks12%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
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$6.9 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 91 over HWY East Loop built?

It was built in 1966, making it 59 years old in 2025.

What condition is I 91 over HWY East Loop 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 91 over HWY East Loop carry?

About 73,585 vehicles per day (2017 count), of which roughly 12% are trucks.

How long is I 91 over HWY East Loop?

The structure is 69 ft (20.9 m) long with a longest span of 65 ft (19.8 m) and a deck 111 ft wide.

Who owns I 91 over HWY East Loop?

It is owned by the State Highway Agency.