US Bridges

ST 31 E Princtn RD over Water E Wachusett Brook

Good

Worcester County, Massachusetts · At Mile Marker 39.2 · Structure no. P16020C31MUNNBI

Built
2020
5 years old
Condition
Good
inspected November 2024
Type
Arch - Deck
Aluminum, Wrought Iron, or Cast Iron
Length
29 ft
1 main span
Daily traffic
2,069
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

ST 31 E Princtn RD over Water E Wachusett Brook is a aluminum, wrought iron, or cast iron arch - deck carrying ST 31 E Princtn RD over Water E Wachusett Brook in Worcester County, Massachusetts. It was built in 2020, so it is 5 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,069 vehicles a day, roughly 6% of them trucks. The structure is 29 ft (8.9 m) long and 43 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesST 31 E Princtn RD
CrossesWater E Wachusett Brook
LocationAt Mile Marker 39.2
RouteCity Street 31
Coordinates42.46395, -71.85987
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
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating39.2 US tons

Structure

Structure typeArch - Deck
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHS 20
Structure length29 ft (8.9 m)
Longest span29 ft (8.9 m)
Deck width43 ft (13.1 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,069 (2024)
Projected traffic—
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was ST 31 E Princtn RD over Water E Wachusett Brook built?

It was built in 2020, making it 5 years old in 2025.

What condition is ST 31 E Princtn RD over Water E Wachusett Brook 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 November 2024.

How much traffic does ST 31 E Princtn RD over Water E Wachusett Brook carry?

About 2,069 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is ST 31 E Princtn RD over Water E Wachusett Brook?

The structure is 29 ft (8.9 m) long with a longest span of 29 ft (8.9 m) and a deck 43 ft wide.

Who owns ST 31 E Princtn RD over Water E Wachusett Brook?

It is owned by the Town or Township Highway Agency.