US Bridges

ST 16 Mendon ST over Water Mumford River

Good

Worcester County, Massachusetts · .1 MI East of ST 122 · Structure no. U020091LUDOTNBI

Built
1900
125 years old
Condition
Good
inspected July 2023
Type
Arch - Deck
Masonry
Length
50 ft
1 main span
Daily traffic
12,888
2022 count
Owner
State
State Highway Agency

About this bridge

ST 16 Mendon ST over Water Mumford River is a masonry arch - deck carrying ST 16 Mendon ST over Water Mumford River in Worcester County, Massachusetts. It was built in 1900, so it is 125 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 12,888 vehicles a day, roughly 5% of them trucks, projected to reach 31,586 by 2032. The structure is 50 ft (15.2 m) long and 52 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesST 16 Mendon ST
CrossesWater Mumford River
Location.1 MI East of ST 122
RouteState Highway 16
CountyWorcester County
StateMassachusetts
Coordinates42.07661, -71.62828
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating41.9 US tons
Inventory rating41.8 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans1
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span45 ft (13.7 m)
Deck width52 ft (15.7 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,888 (2022)
Projected traffic31,586 by 2032
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST 16 Mendon ST over Water Mumford River built?

It was built in 1900, making it 125 years old in 2025.

What condition is ST 16 Mendon 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 July 2023.

How much traffic does ST 16 Mendon ST over Water Mumford River carry?

About 12,888 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is ST 16 Mendon ST over Water Mumford River?

The structure is 50 ft (15.2 m) long with a longest span of 45 ft (13.7 m) and a deck 52 ft wide.

Who owns ST 16 Mendon ST over Water Mumford River?

It is owned by the State Highway Agency.