US Bridges

HWY N Harvard ST over Comb Charles Rv

Fair

Suffolk County, Massachusetts · .4 MI E of Western Ave · Structure no. B160114F2DOTNBI

Built
1912
113 years old, rebuilt 2012
Condition
Fair
inspected November 2023
Type
Arch - Deck
Concrete
Length
232 ft
3 main spans
Daily traffic
24,100
2023 count
Owner
State
State Highway Agency

About this bridge

HWY N Harvard ST over Comb Charles Rv is a concrete arch - deck carrying HWY N Harvard ST over Comb Charles Rv in Suffolk County, Massachusetts. It was built in 1912 and reconstructed in 2012, so it is 113 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 24,100 vehicles a day, roughly 4% of them trucks, projected to reach 45,800 by 2032. The structure is 232 ft (70.7 m) long and 63 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHWY N Harvard ST
CrossesComb Charles Rv
Location.4 MI E of Western Ave
RouteCity Street 0
CountySuffolk County
StateMassachusetts
Coordinates42.36896, -71.12316
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating88 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length232 ft (70.7 m)
Longest span77 ft (23.5 m)
Deck width63 ft (19.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,100 (2023)
Projected traffic45,800 by 2032
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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 statusListed on the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$16.4 million (2025 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was HWY N Harvard ST over Comb Charles Rv built?

It was built in 1912, making it 113 years old in 2025. It was reconstructed in 2012.

What condition is HWY N Harvard ST over Comb Charles Rv 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 November 2023.

How much traffic does HWY N Harvard ST over Comb Charles Rv carry?

About 24,100 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is HWY N Harvard ST over Comb Charles Rv?

The structure is 232 ft (70.7 m) long with a longest span of 77 ft (23.5 m) and a deck 63 ft wide.

Who owns HWY N Harvard ST over Comb Charles Rv?

It is owned by the State Highway Agency.