US Bridges

ST131 Sthbrdge ST over Water Quinebaug River

Poor

Worcester County, Massachusetts · 0.4 MI N of Thom. Ct. T.L · Structure no. D120261XXDOTNBI

Built
1938
87 years old, rebuilt 1984
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
183 ft
3 main spans
Daily traffic
7,817
2022 count
Owner
State
State Highway Agency

About this bridge

ST131 Sthbrdge ST over Water Quinebaug River is a steel stringer/multi-beam or girder carrying ST131 Sthbrdge ST over Water Quinebaug River in Worcester County, Massachusetts. It was built in 1938 and reconstructed in 1984, so it is 87 years old, older than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: open, would be posted or closed except for temporary shoring.

It carries about 7,817 vehicles a day, roughly 5% of them trucks, projected to reach 26,374 by 2033. The structure is 183 ft (55.8 m) long and 49 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

CarriesST131 Sthbrdge ST
CrossesWater Quinebaug River
Location0.4 MI N of Thom. Ct. T.L
RouteState Highway 131
Coordinates42.0278, -71.95952
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 6 months
Operating statusOpen, would be posted or closed except for temporary shoring
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating44.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length183 ft (55.8 m)
Longest span58 ft (17.6 m)
Deck width49 ft (14.8 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,817 (2022)
Projected traffic26,374 by 2033
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed4.3 mi (7 km)
TollOn a free road
National Highway SystemYes

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$8.1 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST131 Sthbrdge ST over Water Quinebaug River built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1984.

What condition is ST131 Sthbrdge ST over Water Quinebaug River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does ST131 Sthbrdge ST over Water Quinebaug River carry?

About 7,817 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is ST131 Sthbrdge ST over Water Quinebaug River?

The structure is 183 ft (55.8 m) long with a longest span of 58 ft (17.6 m) and a deck 49 ft wide.

Who owns ST131 Sthbrdge ST over Water Quinebaug River?

It is owned by the State Highway Agency.