US Bridges

HWY Brigham ST over Water Assabet River

Poor

Worcester County, Massachusetts · 1 Mi. S. of Rt. 20 · Structure no. N200031GUMUNNBI

Built
1940
85 years old
Condition
Poor
inspected December 2024
Type
Culvert
Steel
Length
32 ft
2 main spans
Daily traffic
1,899
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Brigham ST over Water Assabet River is a steel culvert carrying HWY Brigham ST over Water Assabet River in Worcester County, Massachusetts. It was built in 1940, so it is 85 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 4 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.

It carries about 1,899 vehicles a day, roughly 7% of them trucks, projected to reach 7,423 by 2031. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesHWY Brigham ST
CrossesWater Assabet River
Location1 Mi. S. of Rt. 20
RouteCity Street 0
CountyWorcester County
StateMassachusetts
Coordinates42.3091, -71.6295
Functional classUrban Collector

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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,899 (2023)
Projected traffic7,423 by 2031
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$764,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Brigham ST over Water Assabet River built?

It was built in 1940, making it 85 years old in 2025.

What condition is HWY Brigham ST over Water Assabet 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 December 2024.

How much traffic does HWY Brigham ST over Water Assabet River carry?

About 1,899 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is HWY Brigham ST over Water Assabet River?

The structure is 32 ft (9.8 m) long with a longest span of 13 ft (4 m).

Who owns HWY Brigham ST over Water Assabet River?

It is owned by the Town or Township Highway Agency.