US Bridges

I 391 & Ramps Abcd over Comb Main ST & Pvrr

Fair

Hampden County, Massachusetts · .1 M N JCT Conn River · Structure no. H210600WTDOTNBI

Built
1980
45 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
2,559 ft
18 main spans
Daily traffic
35,415
2024 count
Owner
State
State Highway Agency

About this bridge

I 391 & Ramps Abcd over Comb Main ST & Pvrr is a steel continuous stringer/multi-beam or girder carrying I 391 & Ramps Abcd over Comb Main ST & Pvrr in Hampden County, Massachusetts. It was built in 1980, so it is 45 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 35,415 vehicles a day, roughly 14% of them trucks, projected to reach 50,380 by 2031. The structure is 2,559 ft (780.1 m) long and 111 ft wide.

CarriesI 391 & Ramps Abcd
CrossesComb Main ST & Pvrr
Location.1 M N JCT Conn River
RouteInterstate 391
Coordinates42.19384, -72.61315
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating38.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans18 (+6 approach)
Design loadHS 20 + Mod
Structure length2,559 ft (780.1 m)
Longest span135 ft (41.1 m)
Deck width111 ft (33.9 m)
Roadway width106 ft (32.3 m)
Vertical clearance over deck16 ft (4.8 m)

Traffic and service

Average daily traffic35,415 (2024)
Projected traffic50,380 by 2031
Trucks14%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$258.1 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 391 & Ramps Abcd over Comb Main ST & Pvrr built?

It was built in 1980, making it 45 years old in 2025.

What condition is I 391 & Ramps Abcd over Comb Main ST & Pvrr 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 July 2024.

How much traffic does I 391 & Ramps Abcd over Comb Main ST & Pvrr carry?

About 35,415 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is I 391 & Ramps Abcd over Comb Main ST & Pvrr?

The structure is 2,559 ft (780.1 m) long with a longest span of 135 ft (41.1 m) and a deck 111 ft wide.

Who owns I 391 & Ramps Abcd over Comb Main ST & Pvrr?

It is owned by the State Highway Agency.