US Bridges

HWY Mill ST over Water Baker Brook

Fair

Worcester County, Massachusetts · 0.2 MI SW of Route 68 · Structure no. G01019ADYMUNNBI

Built
1998
27 years old
Condition
Fair
inspected December 2024
Type
Slab
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
250
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

HWY Mill ST over Water Baker Brook is a prestressed concrete slab carrying HWY Mill ST over Water Baker Brook in Worcester County, Massachusetts. It was built in 1998, so it is 27 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 250 vehicles a day, roughly 2% of them trucks, projected to reach 395 by 2031. The structure is 45 ft (13.7 m) long and 31 ft wide.

Location

Open in Google Maps
CarriesHWY Mill ST
CrossesWater Baker Brook
Location0.2 MI SW of Route 68
RouteCity Street 0
CountyWorcester County
StateMassachusetts
Coordinates42.55508, -71.9948
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating73.4 US tons
Inventory rating53.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length45 ft (13.7 m)
Longest span42 ft (12.7 m)
Deck width31 ft (9.6 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2014)
Projected traffic395 by 2031
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
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 Mill ST over Water Baker Brook built?

It was built in 1998, making it 27 years old in 2025.

What condition is HWY Mill ST over Water Baker Brook 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 Mill ST over Water Baker Brook carry?

About 250 vehicles per day (2014 count), of which roughly 2% are trucks.

How long is HWY Mill ST over Water Baker Brook?

The structure is 45 ft (13.7 m) long with a longest span of 42 ft (12.7 m) and a deck 31 ft wide.

Who owns HWY Mill ST over Water Baker Brook?

It is owned by the City or Municipal Highway Agency.