US Bridges

I 90 WB over HWY Indian Rock Road

Fair

Middlesex County, Massachusetts · I-90 Mm 119.8 · Structure no. N030384PTDOTNBI

Built
1957
68 years old
Condition
Fair
inspected April 2023
Type
Frame
Concrete
Length
32 ft
1 main span
Daily traffic
65,074
2023 count
Owner
State
State Highway Agency

About this bridge

I 90 WB over HWY Indian Rock Road is a concrete frame carrying I 90 WB over HWY Indian Rock Road 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 65,074 vehicles a day, roughly 7% of them trucks, projected to reach 98,706 by 2032. The structure is 32 ft (9.9 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 Indian Rock Road
LocationI-90 Mm 119.8
RouteInterstate 90
CountyMiddlesex County
StateMassachusetts
Coordinates42.3287, -71.32939
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
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.2 US tons
Inventory rating52.9 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length32 ft (9.9 m)
Longest span29 ft (8.9 m)
Deck width60 ft (18.4 m)
Roadway width55 ft (16.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65,074 (2023)
Projected traffic98,706 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$352,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 90 WB over HWY Indian Rock Road built?

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

What condition is I 90 WB over HWY Indian Rock Road 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 Indian Rock Road carry?

About 65,074 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is I 90 WB over HWY Indian Rock Road?

The structure is 32 ft (9.9 m) long with a longest span of 29 ft (8.9 m) and a deck 60 ft wide.

Who owns I 90 WB over HWY Indian Rock Road?

It is owned by the State Highway Agency.