US Bridges

ST122 A/Main ST over RR Pwrr

Fair

Worcester County, Massachusetts · @ Corner of Sampson St. · Structure no. G08011AWDDOT634

Built
1999
26 years old
Condition
Fair
inspected June 2024
Type
Slab
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
4,500
2024 count
Owner
State
State Highway Agency

About this bridge

ST122 A/Main ST over RR Pwrr is a prestressed concrete slab carrying ST122 A/Main ST over RR Pwrr in Worcester County, Massachusetts. It was built in 1999, so it is 26 years old, younger 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 6 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 4,500 vehicles a day, roughly 5% of them trucks, projected to reach 11,055 by 2032. The structure is 42 ft (12.8 m) long and 45 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesST122 A/Main ST
CrossesRR Pwrr
Location@ Corner of Sampson St.
RouteState Highway 122A
CountyWorcester County
StateMassachusetts
Coordinates42.17767, -71.69186
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span38 ft (11.5 m)
Deck width45 ft (13.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,500 (2024)
Projected traffic11,055 by 2032
Trucks5%
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 statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$731,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST122 A/Main ST over RR Pwrr built?

It was built in 1999, making it 26 years old in 2025.

What condition is ST122 A/Main 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 June 2024.

How much traffic does ST122 A/Main ST over RR Pwrr carry?

About 4,500 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is ST122 A/Main ST over RR Pwrr?

The structure is 42 ft (12.8 m) long with a longest span of 38 ft (11.5 m) and a deck 45 ft wide.

Who owns ST122 A/Main ST over RR Pwrr?

It is owned by the State Highway Agency.