US Bridges

ST 2 A/Water ST over Comb Boulder DR & Bmrr

PoorPosted for load

Worcester County, Massachusetts · Just N of ST-12 · Structure no. F0401723NDOT634

Built
1900
125 years old, rebuilt 1954
Condition
Poor
inspected October 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
198 ft
4 main spans
Daily traffic
16,708
2022 count
Owner
State
State Highway Agency

About this bridge

ST 2 A/Water ST over Comb Boulder DR & Bmrr is a steel continuous stringer/multi-beam or girder carrying ST 2 A/Water ST over Comb Boulder DR & Bmrr in Worcester County, Massachusetts. It was built in 1900 and reconstructed in 1954, so it is 125 years old, older than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 2 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 16,708 vehicles a day, roughly 5% of them trucks, projected to reach 26,058 by 2032. The structure is 198 ft (60.4 m) long and 72 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesST 2 A/Water ST
CrossesComb Boulder DR & Bmrr
LocationJust N of ST-12
RouteState Highway 2A
Coordinates42.58129, -71.79595
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2022
Inspection intervalevery 3 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating25.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length198 ft (60.4 m)
Longest span55 ft (16.8 m)
Deck width72 ft (21.9 m)
Roadway width55 ft (16.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,708 (2022)
Projected traffic26,058 by 2032
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$25.1 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST 2 A/Water ST over Comb Boulder DR & Bmrr built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1954.

What condition is ST 2 A/Water ST over Comb Boulder DR & Bmrr in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2022.

How much traffic does ST 2 A/Water ST over Comb Boulder DR & Bmrr carry?

About 16,708 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is ST 2 A/Water ST over Comb Boulder DR & Bmrr?

The structure is 198 ft (60.4 m) long with a longest span of 55 ft (16.8 m) and a deck 72 ft wide.

Who owns ST 2 A/Water ST over Comb Boulder DR & Bmrr?

It is owned by the State Highway Agency.