US Bridges

I 391 SB Connect over I 391 NB Ramp

Fair

Hampden County, Massachusetts · Mm 0.5 on I-391 · Structure no. C130350WGDOTNBI

Built
1967
58 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
81 ft
1 main span
Daily traffic
25,100
2019 count
Owner
State
State Highway Agency

About this bridge

I 391 SB Connect over I 391 NB Ramp is a steel stringer/multi-beam or girder carrying I 391 SB Connect over I 391 NB 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 25,100 vehicles a day, roughly 10% of them trucks, projected to reach 82,439 by 2032. The structure is 81 ft (24.7 m) long and 56 ft wide. If it were closed, the detour would be 87 mi (140 km).

Location

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CarriesI 391 SB Connect
CrossesI 391 NB Ramp
LocationMm 0.5 on I-391
RouteInterstate 391
CountyHampden County
StateMassachusetts
Coordinates42.13336, -72.60969
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 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 rating61.2 US tons
Inventory rating36.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length81 ft (24.7 m)
Longest span77 ft (23.5 m)
Deck width56 ft (17.1 m)
Roadway width52 ft (15.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,100 (2019)
Projected traffic82,439 by 2032
Trucks10%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed87 mi (140 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$4.2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 391 SB Connect over I 391 NB Ramp built?

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

What condition is I 391 SB Connect over I 391 NB 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 November 2023.

How much traffic does I 391 SB Connect over I 391 NB Ramp carry?

About 25,100 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is I 391 SB Connect over I 391 NB Ramp?

The structure is 81 ft (24.7 m) long with a longest span of 77 ft (23.5 m) and a deck 56 ft wide.

Who owns I 391 SB Connect over I 391 NB Ramp?

It is owned by the State Highway Agency.