US Bridges

HWY Boston ST over Water Ipswich River

Good

Essex County, Massachusetts · At Peabody Line · Structure no. M20006ATNMUNNBI

Built
2002
23 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
68 ft
1 main span
Daily traffic
22,500
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Boston ST over Water Ipswich River is a prestressed concrete box beam or girders - single or spread carrying HWY Boston ST over Water Ipswich River in Essex County, Massachusetts. It was built in 2002, so it is 23 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 22,500 vehicles a day, roughly 8% of them trucks, projected to reach 16,109 by 2031. The structure is 68 ft (20.6 m) long and 45 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesHWY Boston ST
CrossesWater Ipswich River
LocationAt Peabody Line
RouteCity Street 0
Coordinates42.56996, -71.02918
Functional classUrban Minor Arterial

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 protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating88.8 US tons
Inventory rating53.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length68 ft (20.6 m)
Longest span63 ft (19.2 m)
Deck width45 ft (13.6 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,500 (2024)
Projected traffic16,109 by 2031
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.1 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Boston ST over Water Ipswich River built?

It was built in 2002, making it 23 years old in 2025.

What condition is HWY Boston ST over Water Ipswich River 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 2024.

How much traffic does HWY Boston ST over Water Ipswich River carry?

About 22,500 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is HWY Boston ST over Water Ipswich River?

The structure is 68 ft (20.6 m) long with a longest span of 63 ft (19.2 m) and a deck 45 ft wide.

Who owns HWY Boston ST over Water Ipswich River?

It is owned by the Town or Township Highway Agency.