US Bridges

HWY Olympia Ave over RR Mbta/Bmrr

Fair

Middlesex County, Massachusetts · 1.1 KM W Stoneham · Structure no. W430442CLDOT634

Built
1963
62 years old
Condition
Fair
inspected July 2024
Type
Slab
Prestressed Concrete
Length
158 ft
4 main spans
Daily traffic
9,500
2024 count
Owner
State
State Highway Agency

About this bridge

HWY Olympia Ave over RR Mbta/Bmrr is a prestressed concrete slab carrying HWY Olympia Ave over RR Mbta/Bmrr in Middlesex County, Massachusetts. It was built in 1963, so it is 62 years old, younger 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 9,500 vehicles a day, roughly 11% of them trucks, projected to reach 25,743 by 2031. The structure is 158 ft (48.2 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHWY Olympia Ave
CrossesRR Mbta/Bmrr
Location1.1 KM W Stoneham
RouteCity Street 0
CountyMiddlesex County
StateMassachusetts
Coordinates42.49874, -71.13496
Functional classUrban Minor Arterial

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating73.2 US tons
Inventory rating46.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadH 20
Structure length158 ft (48.2 m)
Longest span46 ft (14 m)
Deck width46 ft (14 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,500 (2024)
Projected traffic25,743 by 2031
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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$6.7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Olympia Ave over RR Mbta/Bmrr built?

It was built in 1963, making it 62 years old in 2025.

What condition is HWY Olympia Ave over RR Mbta/Bmrr 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 July 2024.

How much traffic does HWY Olympia Ave over RR Mbta/Bmrr carry?

About 9,500 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is HWY Olympia Ave over RR Mbta/Bmrr?

The structure is 158 ft (48.2 m) long with a longest span of 46 ft (14 m) and a deck 46 ft wide.

Who owns HWY Olympia Ave over RR Mbta/Bmrr?

It is owned by the State Highway Agency.