US Bridges

I 391 Off Ramp Cb over Water N Br Chicopee Riv

Fair

Hampden County, Massachusetts · 1.65 M N Springfield C.L. · Structure no. C130500WNDOTNBI

Built
1979
46 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
286 ft
3 main spans
Daily traffic
4,725
2019 count
Owner
State
State Highway Agency

About this bridge

I 391 Off Ramp Cb over Water N Br Chicopee Riv is a steel continuous stringer/multi-beam or girder carrying I 391 Off Ramp Cb over Water N Br Chicopee Riv in Hampden County, Massachusetts. It was built in 1979, so it is 46 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 4,725 vehicles a day, roughly 10% of them trucks, projected to reach 6,535 by 2031. The structure is 286 ft (87.2 m) long and 25 ft wide.

CarriesI 391 Off Ramp Cb
CrossesWater N Br Chicopee Riv
Location1.65 M N Springfield C.L.
RouteInterstate 391
Coordinates42.15164, -72.61143
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.3 US tons
Inventory rating42.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length286 ft (87.2 m)
Longest span103 ft (31.5 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,725 (2019)
Projected traffic6,535 by 2031
Trucks10%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

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$6.5 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I 391 Off Ramp Cb over Water N Br Chicopee Riv built?

It was built in 1979, making it 46 years old in 2025.

What condition is I 391 Off Ramp Cb over Water N Br Chicopee Riv 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 February 2025.

How much traffic does I 391 Off Ramp Cb over Water N Br Chicopee Riv carry?

About 4,725 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is I 391 Off Ramp Cb over Water N Br Chicopee Riv?

The structure is 286 ft (87.2 m) long with a longest span of 103 ft (31.5 m) and a deck 25 ft wide.

Who owns I 391 Off Ramp Cb over Water N Br Chicopee Riv?

It is owned by the State Highway Agency.