US Bridges

HWY Town Farm LN over RR Mbta/Bmrr

Good

Middlesex County, Massachusetts · 1 MI S Rt 3A & Woburn ST · Structure no. B120112MRDOT634

Built
1925
100 years old, rebuilt 2008
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
800
2018 count
Owner
State
State Highway Agency

About this bridge

HWY Town Farm LN over RR Mbta/Bmrr is a steel stringer/multi-beam or girder carrying HWY Town Farm LN over RR Mbta/Bmrr in Middlesex County, Massachusetts. It was built in 1925 and reconstructed in 2008, so it is 100 years old, older 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 800 vehicles a day, roughly 17% of them trucks, projected to reach 1,895 by 2031. The structure is 34 ft (10.4 m) long and 15 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesHWY Town Farm LN
CrossesRR Mbta/Bmrr
Location1 MI S Rt 3A & Woburn ST
RouteState Highway 0
Coordinates42.60231, -71.28449
Functional classUrban Local

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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating41.8 US tons
Inventory rating25 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span32 ft (9.8 m)
Deck width15 ft (4.5 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2018)
Projected traffic1,895 by 2031
Trucks17%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesRailroad
Detour if closed123.7 mi (199 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Town Farm LN over RR Mbta/Bmrr built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 2008.

What condition is HWY Town Farm LN 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 November 2024.

How much traffic does HWY Town Farm LN over RR Mbta/Bmrr carry?

About 800 vehicles per day (2018 count), of which roughly 17% are trucks.

How long is HWY Town Farm LN over RR Mbta/Bmrr?

The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.8 m) and a deck 15 ft wide.

Who owns HWY Town Farm LN over RR Mbta/Bmrr?

It is owned by the State Highway Agency.