US Bridges

HWY Mt Auburn ST over Other Greenway M/U Path

Fair

Middlesex County, Massachusetts · 2 MI S of JCT SR2 · Structure no. C010143FVDOT634

Built
1955
70 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
36,600
2024 count
Owner
State
State Highway Agency

About this bridge

HWY Mt Auburn ST over Other Greenway M/U Path is a steel stringer/multi-beam or girder carrying HWY Mt Auburn ST over Other Greenway M/U Path in Middlesex County, Massachusetts. It was built in 1955, so it is 70 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 36,600 vehicles a day, roughly 3% of them trucks, projected to reach 60,803 by 2031. The structure is 43 ft (13.1 m) long and 159 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesHWY Mt Auburn ST
CrossesOther Greenway M/U Path
Location2 MI S of JCT SR2
RouteState Highway 0
CountyMiddlesex County
StateMassachusetts
Coordinates42.3746, -71.15007
Functional classUrban Other Principal 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
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 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 geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating34.2 US tons
Inventory rating31.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length43 ft (13.1 m)
Longest span34 ft (10.4 m)
Deck width159 ft (48.5 m)
Roadway width134 ft (40.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,600 (2024)
Projected traffic60,803 by 2031
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$6.6 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Mt Auburn ST over Other Greenway M/U Path built?

It was built in 1955, making it 70 years old in 2025.

What condition is HWY Mt Auburn ST over Other Greenway M/U Path 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 September 2024.

How much traffic does HWY Mt Auburn ST over Other Greenway M/U Path carry?

About 36,600 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is HWY Mt Auburn ST over Other Greenway M/U Path?

The structure is 43 ft (13.1 m) long with a longest span of 34 ft (10.4 m) and a deck 159 ft wide.

Who owns HWY Mt Auburn ST over Other Greenway M/U Path?

It is owned by the State Highway Agency.