US Bridges

I 90 over Water Sudbury River

Fair

Middlesex County, Massachusetts · .1 MI East of I-495 · Structure no. H230144NUDOTNBI

Built
1957
68 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
30 ft
1 main span
Daily traffic
108,318
2024 count
Owner
State
State Highway Agency

About this bridge

I 90 over Water Sudbury River is a concrete culvert carrying I 90 over Water Sudbury River in Middlesex 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 108,318 vehicles a day, roughly 8% of them trucks, projected to reach 148,748 by 2031. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesI 90
CrossesWater Sudbury River
Location.1 MI East of I-495
RouteInterstate 90
Coordinates42.26738, -71.5629
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic108,318 (2024)
Projected traffic148,748 by 2031
Trucks8%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate 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$3.8 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I 90 over Water Sudbury River built?

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

What condition is I 90 over Water Sudbury River 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 September 2024.

How much traffic does I 90 over Water Sudbury River carry?

About 108,318 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is I 90 over Water Sudbury River?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m).

Who owns I 90 over Water Sudbury River?

It is owned by the State Highway Agency.