US Bridges

I 84 EB Ext Ramp over Water Hobbs Brook

Fair

Worcester County, Massachusetts · Exit 9 EB on Ramp · Structure no. S300514N6DOTNBI

Built
1957
68 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
26 ft
1 main span
Daily traffic
24,894
2022 count
Owner
State
State Highway Agency

About this bridge

I 84 EB Ext Ramp over Water Hobbs Brook is a concrete culvert carrying I 84 EB Ext Ramp over Water Hobbs Brook in Worcester County, Massachusetts. It was built in 1957, 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 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 24,894 vehicles a day, roughly 8% of them trucks, projected to reach 48,958 by 2031. The structure is 26 ft (8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI 84 EB Ext Ramp
CrossesWater Hobbs Brook
LocationExit 9 EB on Ramp
RouteInterstate 90
CountyWorcester County
StateMassachusetts
Coordinates42.12824, -72.06363
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103.6 US tons
Inventory rating60.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length26 ft (8 m)
Longest span26 ft (8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,894 (2022)
Projected traffic48,958 by 2031
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 of existing bridge without deck rehabilitation
Estimated improvement cost$860,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I 84 EB Ext Ramp over Water Hobbs Brook built?

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

What condition is I 84 EB Ext Ramp over Water Hobbs Brook 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 April 2024.

How much traffic does I 84 EB Ext Ramp over Water Hobbs Brook carry?

About 24,894 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is I 84 EB Ext Ramp over Water Hobbs Brook?

The structure is 26 ft (8 m) long with a longest span of 26 ft (8 m).

Who owns I 84 EB Ext Ramp over Water Hobbs Brook?

It is owned by the State Highway Agency.