US Bridges

I 291 Conn & Rmp D over HWY Dwight ST

Fair

Hampden County, Massachusetts · .1 M E JCT Main ST · Structure no. S2406411ADOTNBI

Built
1967
58 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
103 ft
1 main span
Daily traffic
19,310
2019 count
Owner
State
State Highway Agency

About this bridge

I 291 Conn & Rmp D over HWY Dwight ST is a steel stringer/multi-beam or girder carrying I 291 Conn & Rmp D over HWY Dwight ST 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 19,310 vehicles a day, roughly 15% of them trucks, projected to reach 38,535 by 2033. The structure is 103 ft (31.5 m) long and 73 ft wide.

CarriesI 291 Conn & Rmp D
CrossesHWY Dwight ST
Location.1 M E JCT Main ST
RouteInterstate 291
Coordinates42.11026, -72.59729
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
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.
Last inspectionMarch 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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.8 US tons
Inventory rating34.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length103 ft (31.5 m)
Longest span99 ft (30.1 m)
Deck width73 ft (22.4 m)
Roadway width59 ft (18.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,310 (2019)
Projected traffic38,535 by 2033
Trucks15%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 291 Conn & Rmp D over HWY Dwight ST built?

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

What condition is I 291 Conn & Rmp D over HWY Dwight ST 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 March 2024.

How much traffic does I 291 Conn & Rmp D over HWY Dwight ST carry?

About 19,310 vehicles per day (2019 count), of which roughly 15% are trucks.

How long is I 291 Conn & Rmp D over HWY Dwight ST?

The structure is 103 ft (31.5 m) long with a longest span of 99 ft (30.1 m) and a deck 73 ft wide.

Who owns I 291 Conn & Rmp D over HWY Dwight ST?

It is owned by the State Highway Agency.