US Bridges

HWY North ST over Water Mumford River

Fair

Worcester County, Massachusetts · At JCT Gilboa ST · Structure no. D090011BBMUNNBI

Built
1869
156 years old
Condition
Fair
inspected August 2024
Type
Arch - Deck
Masonry
Length
34 ft
1 main span
Daily traffic
8,166
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY North ST over Water Mumford River is a masonry arch - deck carrying HWY North ST over Water Mumford River in Worcester County, Massachusetts. It was built in 1869, so it is 156 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 8,166 vehicles a day, roughly 7% of them trucks, projected to reach 8,054 by 2031. The structure is 34 ft (10.4 m) long and 23 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesHWY North ST
CrossesWater Mumford River
LocationAt JCT Gilboa ST
RouteCity Street 0
CountyWorcester County
StateMassachusetts
Coordinates42.07751, -71.70882
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating87.1 US tons
Inventory rating87 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans1
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span34 ft (10.4 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,166 (2023)
Projected traffic8,054 by 2031
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedReplacement because of relocation of road
Estimated improvement cost$3.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY North ST over Water Mumford River built?

It was built in 1869, making it 156 years old in 2025.

What condition is HWY North ST over Water Mumford 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 August 2024.

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

About 8,166 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is HWY North ST over Water Mumford River?

The structure is 34 ft (10.4 m) long with a longest span of 34 ft (10.4 m) and a deck 23 ft wide.

Who owns HWY North ST over Water Mumford River?

It is owned by the Town or Township Highway Agency.