US Bridges

I 291 Conn a over HWY Dwight ST

Fair

Hampden County, Massachusetts · .1 M E JCT Main St. · Structure no. S24062118DOTNBI

Built
1967
58 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
103 ft
1 main span
Daily traffic
11,800
2019 count
Owner
State
State Highway Agency

About this bridge

I 291 Conn a over HWY Dwight ST is a steel stringer/multi-beam or girder carrying I 291 Conn a 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 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 11,800 vehicles a day, roughly 7% of them trucks, projected to reach 17,846 by 2032. The structure is 103 ft (31.5 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesI 291 Conn a
CrossesHWY Dwight ST
Location.1 M E JCT Main St.
RouteInterstate 291
CountyHampden County
StateMassachusetts
Coordinates42.10956, -72.59647
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.5 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length103 ft (31.5 m)
Longest span99 ft (30.1 m)
Deck width44 ft (13.5 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,800 (2019)
Projected traffic17,846 by 2032
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$842,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 291 Conn a over HWY Dwight ST built?

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

What condition is I 291 Conn a 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 August 2023.

How much traffic does I 291 Conn a over HWY Dwight ST carry?

About 11,800 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is I 291 Conn a 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 44 ft wide.

Who owns I 291 Conn a over HWY Dwight ST?

It is owned by the State Highway Agency.