US Bridges

HWY Howe ST over Water Sudbury River

Fair

Middlesex County, Massachusetts · 1MI. N of Hopkinton Tl. · Structure no. A1400825KMUNNBI

Built
1990
35 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
105 ft
1 main span
Daily traffic
1,000
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Howe ST over Water Sudbury River is a prestressed concrete stringer/multi-beam or girder carrying HWY Howe ST over Water Sudbury River in Middlesex County, Massachusetts. It was built in 1990, so it is 35 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 1,000 vehicles a day, roughly 14% of them trucks, projected to reach 2,053 by 2031. The structure is 105 ft (32 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesHWY Howe ST
CrossesWater Sudbury River
Location1MI. N of Hopkinton Tl.
RouteCity Street 0
Coordinates42.26571, -71.497
Functional classUrban Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating72.8 US tons
Inventory rating47.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length105 ft (32 m)
Longest span97 ft (29.6 m)
Deck width43 ft (13 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2024)
Projected traffic2,053 by 2031
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.4 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Howe ST over Water Sudbury River built?

It was built in 1990, making it 35 years old in 2025.

What condition is HWY Howe ST over Water Sudbury 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 December 2024.

How much traffic does HWY Howe ST over Water Sudbury River carry?

About 1,000 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is HWY Howe ST over Water Sudbury River?

The structure is 105 ft (32 m) long with a longest span of 97 ft (29.6 m) and a deck 43 ft wide.

Who owns HWY Howe ST over Water Sudbury River?

It is owned by the Town or Township Highway Agency.