US Bridges

HWY Kernwood Ave over Water Danvers River

PoorPosted for load

Essex County, Massachusetts · At Danvers River · Structure no. B11005308DOTNBI

Built
1907
118 years old, rebuilt 1992
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
755 ft
52 main spans
Daily traffic
4,728
2023 count
Owner
State
State Highway Agency

About this bridge

HWY Kernwood Ave over Water Danvers River is a wood or timber stringer/multi-beam or girder carrying HWY Kernwood Ave over Water Danvers River in Essex County, Massachusetts. It was built in 1907 and reconstructed in 1992, so it is 118 years old, older than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 4,728 vehicles a day, roughly 6% of them trucks, projected to reach 17,372 by 2031. The structure is 755 ft (230.1 m) long and 39 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesHWY Kernwood Ave
CrossesWater Danvers River
LocationAt Danvers River
RouteState Highway 0
Coordinates42.54304, -70.89835
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionSeptember 2024
Inspection intervalevery 6 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating12.5 US tons
Inventory rating9.1 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans52
Design loadUnknown
Structure length755 ft (230.1 m)
Longest span15 ft (4.6 m)
Deck width39 ft (12 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,728 (2023)
Projected traffic17,372 by 2031
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$48.7 million (2025 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was HWY Kernwood Ave over Water Danvers River built?

It was built in 1907, making it 118 years old in 2025. It was reconstructed in 1992.

What condition is HWY Kernwood Ave over Water Danvers River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does HWY Kernwood Ave over Water Danvers River carry?

About 4,728 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is HWY Kernwood Ave over Water Danvers River?

The structure is 755 ft (230.1 m) long with a longest span of 15 ft (4.6 m) and a deck 39 ft wide.

Who owns HWY Kernwood Ave over Water Danvers River?

It is owned by the State Highway Agency.