US Bridges

I 95 /ST128 over RR Bmrr/Mbta

Fair

Middlesex County, Massachusetts · 1.2 MI Ely Rt 129 · Structure no. W010132FEDOTNBI

Built
1948
77 years old, rebuilt 1958
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
127,837
2017 count
Owner
State
State Highway Agency

About this bridge

I 95 /ST128 over RR Bmrr/Mbta is a concrete culvert carrying I 95 /ST128 over RR Bmrr/Mbta in Middlesex County, Massachusetts. It was built in 1948 and reconstructed in 1958, so it is 77 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 127,837 vehicles a day, roughly 10% of them trucks, projected to reach 212,258 by 2032. The structure is 20 ft (6.1 m) long and 156 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI 95 /ST128
CrossesRR Bmrr/Mbta
Location1.2 MI Ely Rt 129
RouteInterstate 128
CountyMiddlesex County
StateMassachusetts
Coordinates42.52276, -71.05851
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
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating70.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width156 ft (47.7 m)
Roadway width140 ft (42.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic127,837 (2017)
Projected traffic212,258 by 2032
Trucks10%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.6 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 95 /ST128 over RR Bmrr/Mbta built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1958.

What condition is I 95 /ST128 over RR Bmrr/Mbta 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 November 2023.

How much traffic does I 95 /ST128 over RR Bmrr/Mbta carry?

About 127,837 vehicles per day (2017 count), of which roughly 10% are trucks.

How long is I 95 /ST128 over RR Bmrr/Mbta?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 156 ft wide.

Who owns I 95 /ST128 over RR Bmrr/Mbta?

It is owned by the State Highway Agency.