US Bridges

ST 31 Princeton RD over Water Whitmans River

Fair

Worcester County, Massachusetts · 1.0 MI N of ST 2 · Structure no. F0400120PDOTNBI

Built
1929
96 years old
Condition
Fair
inspected June 2023
Type
Arch - Deck
Masonry
Length
40 ft
1 main span
Daily traffic
6,854
2022 count
Owner
State
State Highway Agency

About this bridge

ST 31 Princeton RD over Water Whitmans River is a masonry arch - deck carrying ST 31 Princeton RD over Water Whitmans River in Worcester County, Massachusetts. It was built in 1929, so it is 96 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 5 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 6,854 vehicles a day, roughly 6% of them trucks, projected to reach 9,160 by 2032. The structure is 40 ft (12.2 m) long and 39 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesST 31 Princeton RD
CrossesWater Whitmans River
Location1.0 MI N of ST 2
RouteState Highway 31
CountyWorcester County
StateMassachusetts
Coordinates42.563, -71.84635
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating109.9 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans1
Design loadH 20
Structure length40 ft (12.2 m)
Longest span35 ft (10.6 m)
Deck width39 ft (11.9 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,854 (2022)
Projected traffic9,160 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.5 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST 31 Princeton RD over Water Whitmans River built?

It was built in 1929, making it 96 years old in 2025.

What condition is ST 31 Princeton RD over Water Whitmans 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 31 Princeton RD over Water Whitmans River carry?

About 6,854 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is ST 31 Princeton RD over Water Whitmans River?

The structure is 40 ft (12.2 m) long with a longest span of 35 ft (10.6 m) and a deck 39 ft wide.

Who owns ST 31 Princeton RD over Water Whitmans River?

It is owned by the State Highway Agency.