US Bridges

HWY Smithvlle RD over Water Seven Mile River

Fair

Worcester County, Massachusetts · 0.5 M W of ST-31 · Structure no. S230041HGMUNNBI

Built
1992
33 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
776
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Smithvlle RD over Water Seven Mile River is a prestressed concrete box beam or girders - multiple carrying HWY Smithvlle RD over Water Seven Mile River 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 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 776 vehicles a day, roughly 20% of them trucks, projected to reach 1,263 by 2031. The structure is 52 ft (15.8 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY Smithvlle RD
CrossesWater Seven Mile River
Location0.5 M W of ST-31
RouteCity Street 0
Coordinates42.25032, -72.00814
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating86.3 US tons
Inventory rating55.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span46 ft (14 m)
Deck width41 ft (12.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic776 (2024)
Projected traffic1,263 by 2031
Trucks20%
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$899,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Smithvlle RD over Water Seven Mile River built?

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

What condition is HWY Smithvlle RD over Water Seven Mile 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 October 2024.

How much traffic does HWY Smithvlle RD over Water Seven Mile River carry?

About 776 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is HWY Smithvlle RD over Water Seven Mile River?

The structure is 52 ft (15.8 m) long with a longest span of 46 ft (14 m) and a deck 41 ft wide.

Who owns HWY Smithvlle RD over Water Seven Mile River?

It is owned by the Town or Township Highway Agency.