US Bridges

HWY Winter ST over Water Sudbury River

Fair

Middlesex County, Massachusetts · .6 MI S of RTE 9 · Structure no. F0706524HMUNNBI

Built
1870
155 years old
Condition
Fair
inspected November 2023
Type
Arch - Deck
Masonry
Length
42 ft
2 main spans
Daily traffic
14,300
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Winter ST over Water Sudbury River is a masonry arch - deck carrying HWY Winter ST over Water Sudbury River in Middlesex County, Massachusetts. It was built in 1870, so it is 155 years old, older 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 14,300 vehicles a day, roughly 6% of them trucks, projected to reach 21,321 by 2031. The structure is 42 ft (12.8 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHWY Winter ST
CrossesWater Sudbury River
Location.6 MI S of RTE 9
RouteCity Street 0
Coordinates42.29169, -71.44171
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating39.4 US tons
Inventory rating39.2 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans2
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span20 ft (6.1 m)
Deck width25 ft (7.5 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,300 (2023)
Projected traffic21,321 by 2031
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$2.1 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Winter ST over Water Sudbury River built?

It was built in 1870, making it 155 years old in 2025.

What condition is HWY Winter 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 November 2023.

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

About 14,300 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is HWY Winter ST over Water Sudbury River?

The structure is 42 ft (12.8 m) long with a longest span of 20 ft (6.1 m) and a deck 25 ft wide.

Who owns HWY Winter ST over Water Sudbury River?

It is owned by the Town or Township Highway Agency.