US Bridges

I 93 SB/US1SB over ST 28 Randolph RD

Fair

Norfolk County, Massachusetts · I 93 SB at ST 28 · Structure no. Q010462J8DOTNBI

Built
1958
67 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
173 ft
3 main spans
Daily traffic
142,000
2024 count
Owner
State
State Highway Agency

About this bridge

I 93 SB/US1SB over ST 28 Randolph RD is a steel stringer/multi-beam or girder carrying I 93 SB/US1SB over ST 28 Randolph RD in Norfolk County, Massachusetts. It was built in 1958, so it is 67 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 142,000 vehicles a day, roughly 7% of them trucks, projected to reach 164,247 by 2031. The structure is 173 ft (52.7 m) long and 72 ft wide.

Location

Open in Google Maps
CarriesI 93 SB/US1SB
CrossesST 28 Randolph RD
LocationI 93 SB at ST 28
RouteInterstate 93
CountyNorfolk County
StateMassachusetts
Coordinates42.20586, -71.06546
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment7: Better than present minimum criteria
Operating rating72.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length173 ft (52.7 m)
Longest span92 ft (28 m)
Deck width72 ft (22 m)
Roadway width65 ft (19.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic142,000 (2024)
Projected traffic164,247 by 2031
Trucks7%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$11.4 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 93 SB/US1SB over ST 28 Randolph RD built?

It was built in 1958, making it 67 years old in 2025.

What condition is I 93 SB/US1SB over ST 28 Randolph RD 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 I 93 SB/US1SB over ST 28 Randolph RD carry?

About 142,000 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is I 93 SB/US1SB over ST 28 Randolph RD?

The structure is 173 ft (52.7 m) long with a longest span of 92 ft (28 m) and a deck 72 ft wide.

Who owns I 93 SB/US1SB over ST 28 Randolph RD?

It is owned by the State Highway Agency.