US Bridges

HWY River ST over Water Millers River

Fair

Worcester County, Massachusetts · 1.5 MI E Royalston · Structure no. W3900516EMUNNBI

Built
1958
67 years old
Condition
Fair
inspected February 2025
Type
Slab
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
1,000
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY River ST over Water Millers River is a prestressed concrete slab carrying HWY River ST over Water Millers River in Worcester County, Massachusetts. It was built in 1958, so it is 67 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 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 1,000 vehicles a day, roughly 14% of them trucks, projected to reach 409 by 2032. The structure is 45 ft (13.7 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesHWY River ST
CrossesWater Millers River
Location1.5 MI E Royalston
RouteCity Street 0
Coordinates42.68418, -72.08297
Functional classRural Major 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
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating75.8 US tons
Inventory rating45.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length45 ft (13.7 m)
Longest span43 ft (13.2 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2021)
Projected traffic409 by 2032
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY River ST over Water Millers River built?

It was built in 1958, making it 67 years old in 2025.

What condition is HWY River ST over Water Millers 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 February 2025.

How much traffic does HWY River ST over Water Millers River carry?

About 1,000 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is HWY River ST over Water Millers River?

The structure is 45 ft (13.7 m) long with a longest span of 43 ft (13.2 m) and a deck 28 ft wide.

Who owns HWY River ST over Water Millers River?

It is owned by the Town or Township Highway Agency.