US Bridges

HWY N Harbor RD over Comb Bmrr & Brook

Good

Worcester County, Massachusetts · .2 MI N of ST 110 · Structure no. C1600421MDOT634

Built
1985
40 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
145 ft
2 main spans
Daily traffic
3,612
2020 count
Owner
State
State Highway Agency

About this bridge

HWY N Harbor RD over Comb Bmrr & Brook is a steel continuous stringer/multi-beam or girder carrying HWY N Harbor RD over Comb Bmrr & Brook in Worcester County, Massachusetts. It was built in 1985, so it is 40 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 3,612 vehicles a day, roughly 3% of them trucks, projected to reach 2,369 by 2032. The structure is 145 ft (44.2 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesHWY N Harbor RD
CrossesComb Bmrr & Brook
Location.2 MI N of ST 110
RouteCity Street 0
CountyWorcester County
StateMassachusetts
Coordinates42.41579, -71.69296
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length145 ft (44.2 m)
Longest span69 ft (21 m)
Deck width40 ft (12.3 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,612 (2020)
Projected traffic2,369 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad and waterway
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$3.8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY N Harbor RD over Comb Bmrr & Brook built?

It was built in 1985, making it 40 years old in 2025.

What condition is HWY N Harbor RD over Comb Bmrr & Brook 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 July 2023.

How much traffic does HWY N Harbor RD over Comb Bmrr & Brook carry?

About 3,612 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is HWY N Harbor RD over Comb Bmrr & Brook?

The structure is 145 ft (44.2 m) long with a longest span of 69 ft (21 m) and a deck 40 ft wide.

Who owns HWY N Harbor RD over Comb Bmrr & Brook?

It is owned by the State Highway Agency.