US Bridges

HWY Andover ST over Water Shawsheen River

Fair

Essex County, Massachusetts · 1 MI NE Tewksbury · Structure no. A090042QJMUNNBI

Built
1900
125 years old, rebuilt 1959
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
63 ft
1 main span
Daily traffic
4,691
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Andover ST over Water Shawsheen River is a steel stringer/multi-beam or girder carrying HWY Andover ST over Water Shawsheen River in Essex County, Massachusetts. It was built in 1900 and reconstructed in 1959, so it is 125 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 5 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 4,691 vehicles a day, roughly 7% of them trucks, projected to reach 10,265 by 2032. The structure is 63 ft (19.1 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesHWY Andover ST
CrossesWater Shawsheen River
Location1 MI NE Tewksbury
RouteCity Street 0
Coordinates42.62658, -71.15866
Functional classUrban Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating56.4 US tons
Inventory rating33.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length63 ft (19.1 m)
Longest span60 ft (18.3 m)
Deck width36 ft (11 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,691 (2019)
Projected traffic10,265 by 2032
Trucks7%
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

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.1 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Andover ST over Water Shawsheen River built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1959.

What condition is HWY Andover ST over Water Shawsheen River 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 May 2023.

How much traffic does HWY Andover ST over Water Shawsheen River carry?

About 4,691 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is HWY Andover ST over Water Shawsheen River?

The structure is 63 ft (19.1 m) long with a longest span of 60 ft (18.3 m) and a deck 36 ft wide.

Who owns HWY Andover ST over Water Shawsheen River?

It is owned by the Town or Township Highway Agency.