US Bridges

HWY Walden ST over RR Mbta/Bmrr

Good

Middlesex County, Massachusetts · 2.1 KM S of JCT SR2A&16 · Structure no. C01013ATEDOT634

Built
2009
16 years old
Condition
Good
inspected March 2023
Type
Slab
Prestressed Concrete Continuous
Length
94 ft
1 main span
Daily traffic
9,181
2023 count
Owner
State
State Highway Agency

About this bridge

HWY Walden ST over RR Mbta/Bmrr is a prestressed concrete continuous slab carrying HWY Walden ST over RR Mbta/Bmrr in Middlesex County, Massachusetts. It was built in 2009, so it is 16 years old, younger than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 9,181 vehicles a day, roughly 1% of them trucks, projected to reach 11,371 by 2032. The structure is 94 ft (28.6 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHWY Walden ST
CrossesRR Mbta/Bmrr
Location2.1 KM S of JCT SR2A&16
RouteCity Street 0
CountyMiddlesex County
StateMassachusetts
Coordinates42.38933, -71.12476
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75.7 US tons
Inventory rating45.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadHS 20
Structure length94 ft (28.6 m)
Longest span46 ft (14.1 m)
Deck width43 ft (13.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,181 (2023)
Projected traffic11,371 by 2032
Trucks1%
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 statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$3.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Walden ST over RR Mbta/Bmrr built?

It was built in 2009, making it 16 years old in 2025.

What condition is HWY Walden ST over RR Mbta/Bmrr in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does HWY Walden ST over RR Mbta/Bmrr carry?

About 9,181 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is HWY Walden ST over RR Mbta/Bmrr?

The structure is 94 ft (28.6 m) long with a longest span of 46 ft (14.1 m) and a deck 43 ft wide.

Who owns HWY Walden ST over RR Mbta/Bmrr?

It is owned by the State Highway Agency.