US Bridges

HWY Mill RD over Water Assabet River

Good

Worcester County, Massachusetts · .3 MI S of Fisher St. · Structure no. W24028AXXMUNNBI

Built
2003
22 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
3,880
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Mill RD over Water Assabet River is a concrete culvert carrying HWY Mill RD over Water Assabet River in Worcester County, Massachusetts. It was built in 2003, so it is 22 years old, younger than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,880 vehicles a day, roughly 7% of them trucks, projected to reach 4,738 by 2031. The structure is 23 ft (7 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesHWY Mill RD
CrossesWater Assabet River
Location.3 MI S of Fisher St.
RouteCity Street 0
Coordinates42.26941, -71.63339
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length23 ft (7 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,880 (2023)
Projected traffic4,738 by 2031
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$935,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Mill RD over Water Assabet River built?

It was built in 2003, making it 22 years old in 2025.

What condition is HWY Mill RD over Water Assabet River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does HWY Mill RD over Water Assabet River carry?

About 3,880 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is HWY Mill RD over Water Assabet River?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3.2 m).

Who owns HWY Mill RD over Water Assabet River?

It is owned by the Town or Township Highway Agency.