US Bridges

I 93 /US1/ST3 over HWY West ST

Good

Norfolk County, Massachusetts · 1 MI N of JCT I93&128 · Structure no. Q010443BEDOTNBI

Built
1956
69 years old, rebuilt 1984
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
53 ft
1 main span
Daily traffic
203,932
2022 count
Owner
State
State Highway Agency

About this bridge

I 93 /US1/ST3 over HWY West ST is a steel stringer/multi-beam or girder carrying I 93 /US1/ST3 over HWY West ST in Norfolk County, Massachusetts. It was built in 1956 and reconstructed in 1984, so it is 69 years old, older 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 203,932 vehicles a day, roughly 6% of them trucks, projected to reach 300,067 by 2031. The structure is 53 ft (16.3 m) long and 122 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI 93 /US1/ST3
CrossesHWY West ST
Location1 MI N of JCT I93&128
RouteInterstate 3
CountyNorfolk County
StateMassachusetts
Coordinates42.23998, -71.02462
Functional classUrban Principal Arterial - Interstate

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.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating84.9 US tons
Inventory rating50.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length53 ft (16.3 m)
Longest span52 ft (15.8 m)
Deck width122 ft (37.3 m)
Roadway width121 ft (36.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic203,932 (2022)
Projected traffic300,067 by 2031
Trucks6%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.5 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

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

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1984.

What condition is I 93 /US1/ST3 over HWY West ST 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 September 2023.

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

About 203,932 vehicles per day (2022 count), of which roughly 6% are trucks.

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

The structure is 53 ft (16.3 m) long with a longest span of 52 ft (15.8 m) and a deck 122 ft wide.

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

It is owned by the State Highway Agency.