US Bridges

I 90 WB over Comb West ST & Relief

Fair

Worcester County, Massachusetts · .5 MI N of ST-12 · Structure no. A170414KTDOTNBI

Built
1957
68 years old, rebuilt 1986
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
292 ft
5 main spans
Daily traffic
50,958
2023 count
Owner
State
State Highway Agency

About this bridge

I 90 WB over Comb West ST & Relief is a steel stringer/multi-beam or girder carrying I 90 WB over Comb West ST & Relief in Worcester County, Massachusetts. It was built in 1957 and reconstructed in 1986, so it is 68 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 50,958 vehicles a day, roughly 18% of them trucks, projected to reach 78,965 by 2032. The structure is 292 ft (89 m) long and 56 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI 90 WB
CrossesComb West ST & Relief
Location.5 MI N of ST-12
RouteInterstate 90
CountyWorcester County
StateMassachusetts
Coordinates42.18848, -71.87229
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.5 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length292 ft (89 m)
Longest span66 ft (20.1 m)
Deck width56 ft (17.2 m)
Roadway width52 ft (16 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50,958 (2023)
Projected traffic78,965 by 2032
Trucks18%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$15.1 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 90 WB over Comb West ST & Relief built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1986.

What condition is I 90 WB over Comb West ST & Relief 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 2023.

How much traffic does I 90 WB over Comb West ST & Relief carry?

About 50,958 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is I 90 WB over Comb West ST & Relief?

The structure is 292 ft (89 m) long with a longest span of 66 ft (20.1 m) and a deck 56 ft wide.

Who owns I 90 WB over Comb West ST & Relief?

It is owned by the State Highway Agency.