US Bridges

I 90 over Comb I-90RMP-CANAL-PWRR

Fair

Worcester County, Massachusetts · .2 MI W. Route 146 · Structure no. M220308RTDOTNBI

Built
1997
28 years old
Condition
Fair
inspected June 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
263 ft
3 main spans
Daily traffic
91,703
2015 count
Owner
State
State Highway Agency

About this bridge

I 90 over Comb I-90RMP-CANAL-PWRR is a steel continuous stringer/multi-beam or girder carrying I 90 over Comb I-90RMP-CANAL-PWRR in Worcester County, Massachusetts. It was built in 1997, so it is 28 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 91,703 vehicles a day, roughly 15% of them trucks, projected to reach 142,137 by 2031. The structure is 263 ft (80.1 m) long and 146 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesI 90
CrossesComb I-90RMP-CANAL-PWRR
Location.2 MI W. Route 146
RouteInterstate 90
CountyWorcester County
StateMassachusetts
Coordinates42.20898, -71.78343
Functional classUrban Principal Arterial - Interstate

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.7 US tons
Inventory rating48.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length263 ft (80.1 m)
Longest span97 ft (29.5 m)
Deck width146 ft (44.4 m)
Roadway width143 ft (43.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic91,703 (2015)
Projected traffic142,137 by 2031
Trucks15%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed5 mi (8 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$7 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I 90 over Comb I-90RMP-CANAL-PWRR built?

It was built in 1997, making it 28 years old in 2025.

What condition is I 90 over Comb I-90RMP-CANAL-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 2022.

How much traffic does I 90 over Comb I-90RMP-CANAL-PWRR carry?

About 91,703 vehicles per day (2015 count), of which roughly 15% are trucks.

How long is I 90 over Comb I-90RMP-CANAL-PWRR?

The structure is 263 ft (80.1 m) long with a longest span of 97 ft (29.5 m) and a deck 146 ft wide.

Who owns I 90 over Comb I-90RMP-CANAL-PWRR?

It is owned by the State Highway Agency.