US Bridges

I 93 over RR Bmrr Spur (aband)

Fair

Middlesex County, Massachusetts · Stoneham-Woburn Town Line · Structure no. S270042HMDOTNBI

Built
1958
67 years old, rebuilt 1971
Condition
Fair
inspected January 2025
Type
Slab
Prestressed Concrete
Length
29 ft
1 main span
Daily traffic
189,880
2025 count
Owner
State
State Highway Agency

About this bridge

I 93 over RR Bmrr Spur (aband) is a prestressed concrete slab carrying I 93 over RR Bmrr Spur (aband) in Middlesex County, Massachusetts. It was built in 1958 and reconstructed in 1971, so it is 67 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 189,880 vehicles a day, roughly 7% of them trucks, projected to reach 270,060 by 2032. The structure is 29 ft (8.7 m) long and 163 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesI 93
CrossesRR Bmrr Spur (aband)
LocationStoneham-Woburn Town Line
RouteInterstate 93
CountyMiddlesex County
StateMassachusetts
Coordinates42.47683, -71.11267
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
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 alignment7: Better than present minimum criteria
Operating rating80.4 US tons
Inventory rating48.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length29 ft (8.7 m)
Longest span27 ft (8.1 m)
Deck width163 ft (49.7 m)
Roadway width160 ft (48.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic189,880 (2025)
Projected traffic270,060 by 2032
Trucks7%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed5 mi (8 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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$4.4 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 93 over RR Bmrr Spur (aband) built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1971.

What condition is I 93 over RR Bmrr Spur (aband) 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 January 2025.

How much traffic does I 93 over RR Bmrr Spur (aband) carry?

About 189,880 vehicles per day (2025 count), of which roughly 7% are trucks.

How long is I 93 over RR Bmrr Spur (aband)?

The structure is 29 ft (8.7 m) long with a longest span of 27 ft (8.1 m) and a deck 163 ft wide.

Who owns I 93 over RR Bmrr Spur (aband)?

It is owned by the State Highway Agency.