US Bridges

ST114 Andover ST over Water Ipswich River

Poor

Essex County, Massachusetts · 0.25 MI E of River ST · Structure no. D030092UHDOTNBI

Built
1954
71 years old
Condition
Poor
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
44 ft
1 main span
Daily traffic
32,949
2024 count
Owner
State
State Highway Agency

About this bridge

ST114 Andover ST over Water Ipswich River is a steel stringer/multi-beam or girder carrying ST114 Andover ST over Water Ipswich River in Essex County, Massachusetts. It was built in 1954, so it is 71 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.

It carries about 32,949 vehicles a day, roughly 5% of them trucks, projected to reach 81,650 by 2032. The structure is 44 ft (13.3 m) long and 49 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesST114 Andover ST
CrossesWater Ipswich River
Location0.25 MI E of River ST
RouteState Highway 114
Coordinates42.57395, -70.99348
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 6 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.9 US tons
Inventory rating32.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length44 ft (13.3 m)
Longest span42 ft (12.8 m)
Deck width49 ft (14.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,949 (2024)
Projected traffic81,650 by 2032
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.4 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST114 Andover ST over Water Ipswich River built?

It was built in 1954, making it 71 years old in 2025.

What condition is ST114 Andover 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 2023.

How much traffic does ST114 Andover ST over Water Ipswich River carry?

About 32,949 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is ST114 Andover ST over Water Ipswich River?

The structure is 44 ft (13.3 m) long with a longest span of 42 ft (12.8 m) and a deck 49 ft wide.

Who owns ST114 Andover ST over Water Ipswich River?

It is owned by the State Highway Agency.