US Bridges

HWY Park Ave over Comb Minutmn Bp & Brook

Fair

Middlesex County, Massachusetts · 91.4 M No of Mass Ave · Structure no. A100012MLDOT634

Built
1900
125 years old, rebuilt 1998
Condition
Fair
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
18,500
2019 count
Owner
State
State Highway Agency

About this bridge

HWY Park Ave over Comb Minutmn Bp & Brook is a prestressed concrete box beam or girders - multiple carrying HWY Park Ave over Comb Minutmn Bp & Brook in Middlesex County, Massachusetts. It was built in 1900 and reconstructed in 1998, so it is 125 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 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 18,500 vehicles a day, roughly 2% of them trucks, projected to reach 13,677 by 2032. The structure is 40 ft (12.1 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesHWY Park Ave
CrossesComb Minutmn Bp & Brook
Location91.4 M No of Mass Ave
RouteCity Street 0
CountyMiddlesex County
StateMassachusetts
Coordinates42.42544, -71.18226
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating80.2 US tons
Inventory rating48.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.1 m)
Longest span35 ft (10.6 m)
Deck width43 ft (13 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,500 (2019)
Projected traffic13,677 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Park Ave over Comb Minutmn Bp & Brook built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1998.

What condition is HWY Park Ave over Comb Minutmn Bp & Brook 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 December 2023.

How much traffic does HWY Park Ave over Comb Minutmn Bp & Brook carry?

About 18,500 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is HWY Park Ave over Comb Minutmn Bp & Brook?

The structure is 40 ft (12.1 m) long with a longest span of 35 ft (10.6 m) and a deck 43 ft wide.

Who owns HWY Park Ave over Comb Minutmn Bp & Brook?

It is owned by the State Highway Agency.