US Bridges

I 391 & Off Ramp over RR Gwrr

Fair

Hampden County, Massachusetts · Mm 4.0 on I-391 · Structure no. C130470WQDOTNBI

Built
1979
46 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
79 ft
1 main span
Daily traffic
29,540
2023 count
Owner
State
State Highway Agency

About this bridge

I 391 & Off Ramp over RR Gwrr is a steel stringer/multi-beam or girder carrying I 391 & Off Ramp over RR Gwrr 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 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 29,540 vehicles a day, roughly 10% of them trucks, projected to reach 51,112 by 2032. The structure is 79 ft (24 m) long and 153 ft wide.

Location

Open in Google Maps
CarriesI 391 & Off Ramp
CrossesRR Gwrr
LocationMm 4.0 on I-391
RouteInterstate 391
CountyHampden County
StateMassachusetts
Coordinates42.18476, -72.6063
Functional classUrban Minor Arterial

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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.2 US tons
Inventory rating51 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length79 ft (24 m)
Longest span73 ft (22.2 m)
Deck width153 ft (46.5 m)
Roadway width92 ft (28 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,540 (2023)
Projected traffic51,112 by 2032
Trucks10%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 391 & Off Ramp over RR Gwrr built?

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

What condition is I 391 & Off Ramp over RR Gwrr 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 October 2023.

How much traffic does I 391 & Off Ramp over RR Gwrr carry?

About 29,540 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is I 391 & Off Ramp over RR Gwrr?

The structure is 79 ft (24 m) long with a longest span of 73 ft (22.2 m) and a deck 153 ft wide.

Who owns I 391 & Off Ramp over RR Gwrr?

It is owned by the State Highway Agency.