US Bridges

I 84 WB over Water Quinebaug River

Fair

Worcester County, Massachusetts · 1 Mi. South of U.S.-20 · Structure no. S300401PMDOTNBI

Built
1970
55 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
107 ft
1 main span
Daily traffic
28,923
2022 count
Owner
State
State Highway Agency

About this bridge

I 84 WB over Water Quinebaug River is a steel stringer/multi-beam or girder carrying I 84 WB over Water Quinebaug River in Worcester County, Massachusetts. It was built in 1970, so it is 55 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 28,923 vehicles a day, roughly 18% of them trucks, projected to reach 50,538 by 2032. The structure is 107 ft (32.6 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 84 WB
CrossesWater Quinebaug River
Location1 Mi. South of U.S.-20
RouteInterstate 84
Coordinates42.09707, -72.087
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.8 US tons
Inventory rating42.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length107 ft (32.6 m)
Longest span101 ft (30.8 m)
Deck width60 ft (18.3 m)
Roadway width55 ft (16.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,923 (2022)
Projected traffic50,538 by 2032
Trucks18%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$5.9 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 84 WB over Water Quinebaug River built?

It was built in 1970, making it 55 years old in 2025.

What condition is I 84 WB over Water Quinebaug River 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 84 WB over Water Quinebaug River carry?

About 28,923 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is I 84 WB over Water Quinebaug River?

The structure is 107 ft (32.6 m) long with a longest span of 101 ft (30.8 m) and a deck 60 ft wide.

Who owns I 84 WB over Water Quinebaug River?

It is owned by the State Highway Agency.