US Bridges

HWY W Main ST over Comb Mbta/Bm & Accs RD

Fair

Middlesex County, Massachusetts · At Corner of Scully RD · Structure no. A19007ADKDOT634

Built
1996
29 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
358 ft
3 main spans
Daily traffic
6,071
2024 count
Owner
State
State Highway Agency

About this bridge

HWY W Main ST over Comb Mbta/Bm & Accs RD is a steel continuous stringer/multi-beam or girder carrying HWY W Main ST over Comb Mbta/Bm & Accs RD in Middlesex County, Massachusetts. It was built in 1996, so it is 29 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 6 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 6,071 vehicles a day, roughly 9% of them trucks, projected to reach 5,843 by 2031. The structure is 358 ft (109.1 m) long and 65 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHWY W Main ST
CrossesComb Mbta/Bm & Accs RD
LocationAt Corner of Scully RD
RouteCity Street 0
Coordinates42.55808, -71.60047
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating65 US tons
Inventory rating40 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length358 ft (109.1 m)
Longest span136 ft (41.4 m)
Deck width65 ft (19.8 m)
Roadway width52 ft (16 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,071 (2024)
Projected traffic5,843 by 2031
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2.1 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY W Main ST over Comb Mbta/Bm & Accs RD built?

It was built in 1996, making it 29 years old in 2025.

What condition is HWY W Main ST over Comb Mbta/Bm & Accs RD 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 June 2024.

How much traffic does HWY W Main ST over Comb Mbta/Bm & Accs RD carry?

About 6,071 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is HWY W Main ST over Comb Mbta/Bm & Accs RD?

The structure is 358 ft (109.1 m) long with a longest span of 136 ft (41.4 m) and a deck 65 ft wide.

Who owns HWY W Main ST over Comb Mbta/Bm & Accs RD?

It is owned by the State Highway Agency.