US Bridges

HWY Sanborn ST over Water Phillips Brook

FairPosted for load

Worcester County, Massachusetts · 0.1 MI S of ST-12 · Structure no. F040341JYMUNNBI

Built
1931
94 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
62 ft
2 main spans
Daily traffic
300
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

HWY Sanborn ST over Water Phillips Brook is a steel stringer/multi-beam or girder carrying HWY Sanborn ST over Water Phillips Brook in Worcester County, Massachusetts. It was built in 1931, so it is 94 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. Its operating status is: posted for load restriction.

It carries about 300 vehicles a day, roughly 3% of them trucks, projected to reach 474 by 2031. The structure is 62 ft (18.9 m) long and 22 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesHWY Sanborn ST
CrossesWater Phillips Brook
Location0.1 MI S of ST-12
RouteCity Street 0
CountyWorcester County
StateMassachusetts
Coordinates42.57936, -71.84144
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating28.4 US tons
Inventory rating8.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length62 ft (18.9 m)
Longest span22 ft (6.7 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2014)
Projected traffic474 by 2031
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Sanborn ST over Water Phillips Brook built?

It was built in 1931, making it 94 years old in 2025.

What condition is HWY Sanborn ST over Water Phillips Brook 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 2024.

How much traffic does HWY Sanborn ST over Water Phillips Brook carry?

About 300 vehicles per day (2014 count), of which roughly 3% are trucks.

How long is HWY Sanborn ST over Water Phillips Brook?

The structure is 62 ft (18.9 m) long with a longest span of 22 ft (6.7 m) and a deck 22 ft wide.

Who owns HWY Sanborn ST over Water Phillips Brook?

It is owned by the City or Municipal Highway Agency.