US Bridges

I 290 EB over Comb Mdc Aqueduct & CSX

Fair

Worcester County, Massachusetts · Mm 17.4 · Structure no. N200251R9DOTNBI

Built
1968
57 years old
Condition
Fair
inspected October 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
176 ft
2 main spans
Daily traffic
42,242
2019 count
Owner
State
State Highway Agency

About this bridge

I 290 EB over Comb Mdc Aqueduct & CSX is a steel stringer/multi-beam or girder carrying I 290 EB over Comb Mdc Aqueduct & CSX in Worcester County, Massachusetts. It was built in 1968, so it is 57 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 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 42,242 vehicles a day, roughly 7% of them trucks, projected to reach 63,172 by 2031. The structure is 176 ft (53.7 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 290 EB
CrossesComb Mdc Aqueduct & CSX
LocationMm 17.4
RouteInterstate 290
CountyWorcester County
StateMassachusetts
Coordinates42.34272, -71.63725
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.9 US tons
Inventory rating37.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length176 ft (53.7 m)
Longest span108 ft (33 m)
Deck width56 ft (17 m)
Roadway width52 ft (15.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,242 (2019)
Projected traffic63,172 by 2031
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free 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$10.6 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 290 EB over Comb Mdc Aqueduct & CSX built?

It was built in 1968, making it 57 years old in 2025.

What condition is I 290 EB over Comb Mdc Aqueduct & CSX 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 October 2022.

How much traffic does I 290 EB over Comb Mdc Aqueduct & CSX carry?

About 42,242 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is I 290 EB over Comb Mdc Aqueduct & CSX?

The structure is 176 ft (53.7 m) long with a longest span of 108 ft (33 m) and a deck 56 ft wide.

Who owns I 290 EB over Comb Mdc Aqueduct & CSX?

It is owned by the State Highway Agency.