US Bridges

HWY Union ST over RR Pwrr

Fair

Worcester County, Massachusetts · 0.6 MI E of ST-68 · Structure no. G0101221RDOT634

Built
1908
117 years old, rebuilt 1986
Condition
Fair
inspected January 2023
Type
Slab
Prestressed Concrete
Length
51 ft
1 main span
Daily traffic
2,104
2020 count
Owner
State
State Highway Agency

About this bridge

HWY Union ST over RR Pwrr is a prestressed concrete slab carrying HWY Union ST over RR Pwrr in Worcester County, Massachusetts. It was built in 1908 and reconstructed in 1986, so it is 117 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 2,104 vehicles a day, roughly 6% of them trucks, projected to reach 6,949 by 2032. The structure is 51 ft (15.6 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesHWY Union ST
CrossesRR Pwrr
Location0.6 MI E of ST-68
RouteCity Street 0
CountyWorcester County
StateMassachusetts
Coordinates42.55562, -71.98413
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating71 US tons
Inventory rating42.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length51 ft (15.6 m)
Longest span41 ft (12.5 m)
Deck width38 ft (11.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,104 (2020)
Projected traffic6,949 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Union ST over RR Pwrr built?

It was built in 1908, making it 117 years old in 2025. It was reconstructed in 1986.

What condition is HWY Union ST over RR Pwrr 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 January 2023.

How much traffic does HWY Union ST over RR Pwrr carry?

About 2,104 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is HWY Union ST over RR Pwrr?

The structure is 51 ft (15.6 m) long with a longest span of 41 ft (12.5 m) and a deck 38 ft wide.

Who owns HWY Union ST over RR Pwrr?

It is owned by the State Highway Agency.