US Bridges

I 90 WB over HWY Wellesley ST

Fair

Middlesex County, Massachusetts · South of Brown St. · Structure no. W290424Q4DOTNBI

Built
1957
68 years old, rebuilt 1991
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
65 ft
1 main span
Daily traffic
68,163
2023 count
Owner
State
State Highway Agency

About this bridge

I 90 WB over HWY Wellesley ST is a steel stringer/multi-beam or girder carrying I 90 WB over HWY Wellesley ST in Middlesex County, Massachusetts. It was built in 1957 and reconstructed in 1991, 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 68,163 vehicles a day, roughly 7% of them trucks, projected to reach 157,076 by 2032. The structure is 65 ft (19.8 m) long and 60 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI 90 WB
CrossesHWY Wellesley ST
LocationSouth of Brown St.
RouteInterstate 90
CountyMiddlesex County
StateMassachusetts
Coordinates42.33536, -71.30678
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.9 US tons
Inventory rating34.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span59 ft (18 m)
Deck width60 ft (18.4 m)
Roadway width57 ft (17.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic68,163 (2023)
Projected traffic157,076 by 2032
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3.6 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 90 WB over HWY Wellesley ST built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1991.

What condition is I 90 WB over HWY Wellesley ST 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 2023.

How much traffic does I 90 WB over HWY Wellesley ST carry?

About 68,163 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is I 90 WB over HWY Wellesley ST?

The structure is 65 ft (19.8 m) long with a longest span of 59 ft (18 m) and a deck 60 ft wide.

Who owns I 90 WB over HWY Wellesley ST?

It is owned by the State Highway Agency.