US Bridges

HWY Sudbury ST over Water Mill Canal

Fair

Middlesex County, Massachusetts · .2MI.SOUTH of ST.62 · Structure no. M1001024PMUNNBI

Built
1956
69 years old
Condition
Fair
inspected February 2024
Type
Slab
Prestressed Concrete
Length
37 ft
1 main span
Daily traffic
2,500
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Sudbury ST over Water Mill Canal is a prestressed concrete slab carrying HWY Sudbury ST over Water Mill Canal in Middlesex County, Massachusetts. It was built in 1956, so it is 69 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 2,500 vehicles a day, roughly 1% of them trucks, projected to reach 4,106 by 2033. The structure is 37 ft (11.3 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHWY Sudbury ST
CrossesWater Mill Canal
Location.2MI.SOUTH of ST.62
RouteCity Street 0
CountyMiddlesex County
StateMassachusetts
Coordinates42.42873, -71.45949
Functional classUrban Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66.8 US tons
Inventory rating52.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length37 ft (11.3 m)
Longest span34 ft (10.4 m)
Deck width36 ft (11 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2024)
Projected traffic4,106 by 2033
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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$1.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Sudbury ST over Water Mill Canal built?

It was built in 1956, making it 69 years old in 2025.

What condition is HWY Sudbury ST over Water Mill Canal 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 February 2024.

How much traffic does HWY Sudbury ST over Water Mill Canal carry?

About 2,500 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is HWY Sudbury ST over Water Mill Canal?

The structure is 37 ft (11.3 m) long with a longest span of 34 ft (10.4 m) and a deck 36 ft wide.

Who owns HWY Sudbury ST over Water Mill Canal?

It is owned by the Town or Township Highway Agency.