US Bridges

HWY County ST over Water Ipswich River

PoorPosted for load

Essex County, Massachusetts · .48 KM S of Central ST · Structure no. I010052PNMUNNBI

Built
1861
164 years old
Condition
Poor
inspected September 2024
Type
Arch - Deck
Masonry
Length
68 ft
2 main spans
Daily traffic
2,700
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY County ST over Water Ipswich River is a masonry arch - deck carrying HWY County ST over Water Ipswich River in Essex County, Massachusetts. It was built in 1861, so it is 164 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 2,700 vehicles a day, roughly 10% of them trucks, projected to reach 8,212 by 2031. The structure is 68 ft (20.7 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY County ST
CrossesWater Ipswich River
Location.48 KM S of Central ST
RouteCity Street 0
Coordinates42.67885, -70.83523
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
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 6 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating14.9 US tons
Inventory rating14.8 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans2
Design loadUnknown
Structure length68 ft (20.7 m)
Longest span30 ft (9.1 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2024)
Projected traffic8,212 by 2031
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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$5.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY County ST over Water Ipswich River built?

It was built in 1861, making it 164 years old in 2025.

What condition is HWY County ST over Water Ipswich 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 County ST over Water Ipswich River carry?

About 2,700 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is HWY County ST over Water Ipswich River?

The structure is 68 ft (20.7 m) long with a longest span of 30 ft (9.1 m) and a deck 33 ft wide.

Who owns HWY County ST over Water Ipswich River?

It is owned by the Town or Township Highway Agency.