US Bridges

ST 12 Main ST over Water French River

Fair

Worcester County, Massachusetts · At Webster-Dudley T.L. · Structure no. D120061YRDOTNBI

Built
1868
157 years old, rebuilt 1956
Condition
Fair
inspected June 2023
Type
Arch - Deck
Masonry
Length
58 ft
1 main span
Daily traffic
12,630
2023 count
Owner
State
State Highway Agency

About this bridge

ST 12 Main ST over Water French River is a masonry arch - deck carrying ST 12 Main ST over Water French River in Worcester County, Massachusetts. It was built in 1868 and reconstructed in 1956, so it is 157 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 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 12,630 vehicles a day, roughly 6% of them trucks, projected to reach 31,586 by 2032. The structure is 58 ft (17.7 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesST 12 Main ST
CrossesWater French River
LocationAt Webster-Dudley T.L.
RouteState Highway 12
CountyWorcester County
StateMassachusetts
Coordinates42.04926, -71.88744
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 US tons
Inventory rating75.3 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans1
Design loadH 20
Structure length58 ft (17.7 m)
Longest span42 ft (12.8 m)
Deck width55 ft (16.8 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,630 (2023)
Projected traffic31,586 by 2032
Trucks6%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$422,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST 12 Main ST over Water French River built?

It was built in 1868, making it 157 years old in 2025. It was reconstructed in 1956.

What condition is ST 12 Main ST over Water French 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 June 2023.

How much traffic does ST 12 Main ST over Water French River carry?

About 12,630 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is ST 12 Main ST over Water French River?

The structure is 58 ft (17.7 m) long with a longest span of 42 ft (12.8 m) and a deck 55 ft wide.

Who owns ST 12 Main ST over Water French River?

It is owned by the State Highway Agency.