US Bridges

HWY Antwerp ST over I 93 /US1/ST3

Fair

Norfolk County, Massachusetts · 3.2 KM S JCT I93 & SR3A · Structure no. M250203F9DOTNBI

Built
1954
71 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
133 ft
2 main spans
Daily traffic
17,716
2024 count
Owner
State
State Highway Agency

About this bridge

HWY Antwerp ST over I 93 /US1/ST3 is a steel stringer/multi-beam or girder carrying HWY Antwerp ST over I 93 /US1/ST3 in Norfolk 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 fair condition with a lowest component rating of 6 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 17,716 vehicles a day, roughly 2% of them trucks, projected to reach 40,272 by 2031. The structure is 133 ft (40.5 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHWY Antwerp ST
CrossesI 93 /US1/ST3
Location3.2 KM S JCT I93 & SR3A
RouteCity Street 0
CountyNorfolk County
StateMassachusetts
Coordinates42.25994, -71.04276
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment7: Better than present minimum criteria
Operating rating64.6 US tons
Inventory rating38.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length133 ft (40.5 m)
Longest span65 ft (19.8 m)
Deck width32 ft (9.9 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,716 (2024)
Projected traffic40,272 by 2031
Trucks2%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$6.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Antwerp ST over I 93 /US1/ST3 built?

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

What condition is HWY Antwerp ST over I 93 /US1/ST3 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 November 2024.

How much traffic does HWY Antwerp ST over I 93 /US1/ST3 carry?

About 17,716 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is HWY Antwerp ST over I 93 /US1/ST3?

The structure is 133 ft (40.5 m) long with a longest span of 65 ft (19.8 m) and a deck 32 ft wide.

Who owns HWY Antwerp ST over I 93 /US1/ST3?

It is owned by the State Highway Agency.