US Bridges

ST 12 Worcester RD over RR Bmrr

Fair

Worcester County, Massachusetts · At Campground RD · Structure no. S2500922LDOT634

Built
1947
78 years old, rebuilt 1983
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
48 ft
1 main span
Daily traffic
4,227
2022 count
Owner
State
State Highway Agency

About this bridge

ST 12 Worcester RD over RR Bmrr is a steel stringer/multi-beam or girder carrying ST 12 Worcester RD over RR Bmrr in Worcester County, Massachusetts. It was built in 1947 and reconstructed in 1983, so it is 78 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 4,227 vehicles a day, roughly 6% of them trucks, projected to reach 15,003 by 2032. The structure is 48 ft (14.6 m) long and 67 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesST 12 Worcester RD
CrossesRR Bmrr
LocationAt Campground RD
RouteState Highway 12
CountyWorcester County
StateMassachusetts
Coordinates42.40406, -71.76966
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
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 alignment8: Equal to present desirable criteria
Operating rating81.5 US tons
Inventory rating48.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length48 ft (14.6 m)
Longest span43 ft (13.1 m)
Deck width67 ft (20.3 m)
Roadway width57 ft (17.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,227 (2022)
Projected traffic15,003 by 2032
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 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 with deck rehabilitation or replacement
Estimated improvement cost$4 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST 12 Worcester RD over RR Bmrr built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 1983.

What condition is ST 12 Worcester RD over RR Bmrr 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 August 2023.

How much traffic does ST 12 Worcester RD over RR Bmrr carry?

About 4,227 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is ST 12 Worcester RD over RR Bmrr?

The structure is 48 ft (14.6 m) long with a longest span of 43 ft (13.1 m) and a deck 67 ft wide.

Who owns ST 12 Worcester RD over RR Bmrr?

It is owned by the State Highway Agency.