US Bridges

HWY Mill ST over Water Tatnuck Brook

Fair

Worcester County, Massachusetts · 500 Ft S of Chandler ST · Structure no. W440021DPMUNNBI

Built
1992
33 years old
Condition
Fair
inspected November 2024
Type
Slab
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
7,714
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

HWY Mill ST over Water Tatnuck Brook is a prestressed concrete slab carrying HWY Mill ST over Water Tatnuck Brook in Worcester County, Massachusetts. It was built in 1992, so it is 33 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 5 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 7,714 vehicles a day, roughly 7% of them trucks, projected to reach 15,635 by 2031. The structure is 46 ft (14 m) long and 59 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesHWY Mill ST
CrossesWater Tatnuck Brook
Location500 Ft S of Chandler ST
RouteCity Street 0
CountyWorcester County
StateMassachusetts
Coordinates42.27476, -71.85416
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.6 US tons
Inventory rating40.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span43 ft (13.1 m)
Deck width59 ft (17.9 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,714 (2024)
Projected traffic15,635 by 2031
Trucks7%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.6 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Mill ST over Water Tatnuck Brook built?

It was built in 1992, making it 33 years old in 2025.

What condition is HWY Mill ST over Water Tatnuck 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 November 2024.

How much traffic does HWY Mill ST over Water Tatnuck Brook carry?

About 7,714 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is HWY Mill ST over Water Tatnuck Brook?

The structure is 46 ft (14 m) long with a longest span of 43 ft (13.1 m) and a deck 59 ft wide.

Who owns HWY Mill ST over Water Tatnuck Brook?

It is owned by the City or Municipal Highway Agency.