US Bridges

I 90 over RR CSX

Poor

Middlesex County, Massachusetts · .3 Mi. W. of Mdc Res · Structure no. F070444PKDOTNBI

Built
1957
68 years old
Condition
Poor
inspected February 2025
Type
Frame
Concrete
Length
58 ft
1 main span
Daily traffic
114,872
2019 count
Owner
State
State Highway Agency

About this bridge

I 90 over RR CSX is a concrete frame carrying I 90 over RR CSX 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 114,872 vehicles a day, roughly 7% of them trucks, projected to reach 165,826 by 2032. The structure is 58 ft (17.7 m) long and 148 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesI 90
CrossesRR CSX
Location.3 Mi. W. of Mdc Res
RouteInterstate 90
Coordinates42.29882, -71.47556
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating38.3 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length58 ft (17.7 m)
Longest span29 ft (8.8 m)
Deck width148 ft (45 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic114,872 (2019)
Projected traffic165,826 by 2032
Trucks7%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed5 mi (8 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$7.9 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 90 over RR CSX built?

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

What condition is I 90 over RR CSX in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2025.

How much traffic does I 90 over RR CSX carry?

About 114,872 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is I 90 over RR CSX?

The structure is 58 ft (17.7 m) long with a longest span of 29 ft (8.8 m) and a deck 148 ft wide.

Who owns I 90 over RR CSX?

It is owned by the State Highway Agency.