US Bridges

HWY Main ST over Water Mumford River

Good

Worcester County, Massachusetts · .1 Mi. S of Whitins Rd. · Structure no. S330131YVDOTNBI

Built
1937
88 years old, rebuilt 2011
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
49 ft
1 main span
Daily traffic
1,393
2020 count
Owner
State
State Highway Agency

About this bridge

HWY Main ST over Water Mumford River is a steel stringer/multi-beam or girder carrying HWY Main ST over Water Mumford River in Worcester County, Massachusetts. It was built in 1937 and reconstructed in 2011, so it is 88 years old, older 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 1,393 vehicles a day, roughly 7% of them trucks, projected to reach 4,580 by 2032. The structure is 49 ft (14.9 m) long and 46 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesHWY Main ST
CrossesWater Mumford River
Location.1 Mi. S of Whitins Rd.
RouteCity Street 0
Coordinates42.09231, -71.74603
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating85.8 US tons
Inventory rating64.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length49 ft (14.9 m)
Longest span42 ft (12.9 m)
Deck width46 ft (13.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,393 (2020)
Projected traffic4,580 by 2032
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

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$1.5 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Main ST over Water Mumford River built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 2011.

What condition is HWY Main ST over Water Mumford 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 December 2023.

How much traffic does HWY Main ST over Water Mumford River carry?

About 1,393 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is HWY Main ST over Water Mumford River?

The structure is 49 ft (14.9 m) long with a longest span of 42 ft (12.9 m) and a deck 46 ft wide.

Who owns HWY Main ST over Water Mumford River?

It is owned by the State Highway Agency.