US Bridges

US 20 Connector over Comb Pwrr & Blkstn Riv

Fair

Worcester County, Massachusetts · .1 Mi. S. of U.S. 20 · Structure no. M22048AFKDOTNBI

Built
1996
29 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
524 ft
5 main spans
Daily traffic
39,293
2021 count
Owner
State
State Highway Agency

About this bridge

US 20 Connector over Comb Pwrr & Blkstn Riv is a steel continuous stringer/multi-beam or girder carrying US 20 Connector over Comb Pwrr & Blkstn Riv in Worcester County, Massachusetts. It was built in 1996, so it is 29 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 39,293 vehicles a day, roughly 14% of them trucks, projected to reach 55,276 by 2032. The structure is 524 ft (159.7 m) long and 95 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS 20 Connector
CrossesComb Pwrr & Blkstn Riv
Location.1 Mi. S. of U.S. 20
CountyWorcester County
StateMassachusetts
Coordinates42.21085, -71.7835
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.5 US tons
Inventory rating44.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length524 ft (159.7 m)
Longest span119 ft (36.3 m)
Deck width95 ft (29 m)
Roadway width92 ft (28 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,293 (2021)
Projected traffic55,276 by 2032
Trucks14%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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$5.6 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 20 Connector over Comb Pwrr & Blkstn Riv built?

It was built in 1996, making it 29 years old in 2025.

What condition is US 20 Connector over Comb Pwrr & Blkstn Riv 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 May 2023.

How much traffic does US 20 Connector over Comb Pwrr & Blkstn Riv carry?

About 39,293 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is US 20 Connector over Comb Pwrr & Blkstn Riv?

The structure is 524 ft (159.7 m) long with a longest span of 119 ft (36.3 m) and a deck 95 ft wide.

Who owns US 20 Connector over Comb Pwrr & Blkstn Riv?

It is owned by the State Highway Agency.