US Bridges

I 90 EB over Comb Cntrl Mlbry & Pwrr

Poor

Worcester County, Massachusetts · I-90 Mm 91.4 · Structure no. A170424KFDOTNBI

Built
1957
68 years old, rebuilt 1980
Condition
Poor
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
399 ft
3 main spans
Daily traffic
41,235
2021 count
Owner
State
State Highway Agency

About this bridge

I 90 EB over Comb Cntrl Mlbry & Pwrr is a steel continuous stringer/multi-beam or girder carrying I 90 EB over Comb Cntrl Mlbry & Pwrr in Worcester County, Massachusetts. It was built in 1957 and reconstructed in 1980, 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 poor condition with a lowest component rating of 4 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.

It carries about 41,235 vehicles a day, roughly 19% of them trucks, projected to reach 90,085 by 2032. The structure is 399 ft (121.6 m) long and 56 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 90 EB
CrossesComb Cntrl Mlbry & Pwrr
LocationI-90 Mm 91.4
RouteInterstate 90
Coordinates42.20165, -71.83102
Functional classUrban Principal Arterial - Interstate

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating38.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length399 ft (121.6 m)
Longest span105 ft (32 m)
Deck width56 ft (17.2 m)
Roadway width52 ft (16 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,235 (2021)
Projected traffic90,085 by 2032
Trucks19%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$23.2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 90 EB over Comb Cntrl Mlbry & Pwrr built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1980.

What condition is I 90 EB over Comb Cntrl Mlbry & Pwrr 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 April 2023.

How much traffic does I 90 EB over Comb Cntrl Mlbry & Pwrr carry?

About 41,235 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is I 90 EB over Comb Cntrl Mlbry & Pwrr?

The structure is 399 ft (121.6 m) long with a longest span of 105 ft (32 m) and a deck 56 ft wide.

Who owns I 90 EB over Comb Cntrl Mlbry & Pwrr?

It is owned by the State Highway Agency.