US Bridges

I 90 over Water Potash Brook

Fair

Hampden County, Massachusetts · At Mile 34.0 · Structure no. R130214GXDOTNBI

Built
1957
68 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
28,837
2022 count
Owner
State
State Highway Agency

About this bridge

I 90 over Water Potash Brook is a concrete culvert carrying I 90 over Water Potash Brook in Hampden 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 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 28,837 vehicles a day, roughly 15% of them trucks, projected to reach 44,220 by 2033. The structure is 26 ft (7.8 m) long. If it were closed, the detour would be 29.8 mi (48 km).

CarriesI 90
CrossesWater Potash Brook
LocationAt Mile 34.0
RouteInterstate 90
Coordinates42.16608, -72.8529
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (7.8 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,837 (2022)
Projected traffic44,220 by 2033
Trucks15%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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$889,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I 90 over Water Potash Brook built?

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

What condition is I 90 over Water Potash 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 October 2023.

How much traffic does I 90 over Water Potash Brook carry?

About 28,837 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is I 90 over Water Potash Brook?

The structure is 26 ft (7.8 m) long with a longest span of 11 ft (3.3 m).

Who owns I 90 over Water Potash Brook?

It is owned by the State Highway Agency.