US Bridges

I 93 /US1/ST3 over HWY Granite Ave

Fair

Norfolk County, Massachusetts · 1 MI S of JCT193& Nep Ave · Structure no. M250173B2DOTNBI

Built
1956
69 years old, rebuilt 1986
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
145 ft
2 main spans
Daily traffic
99,184
2022 count
Owner
State
State Highway Agency

About this bridge

I 93 /US1/ST3 over HWY Granite Ave is a steel stringer/multi-beam or girder carrying I 93 /US1/ST3 over HWY Granite Ave in Norfolk County, Massachusetts. It was built in 1956 and reconstructed in 1986, 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 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 99,184 vehicles a day, roughly 6% of them trucks, projected to reach 324,388 by 2032. The structure is 145 ft (44.2 m) long and 128 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 Granite Ave
Location1 MI S of JCT193& Nep Ave
RouteInterstate 3
CountyNorfolk County
StateMassachusetts
Coordinates42.27446, -71.05047
Functional classUrban Principal Arterial - Interstate

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 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 geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58.5 US tons
Inventory rating36.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length145 ft (44.2 m)
Longest span71 ft (21.6 m)
Deck width128 ft (39 m)
Roadway width120 ft (36.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic99,184 (2022)
Projected traffic324,388 by 2032
Trucks6%
Lanes on structure8
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$17.1 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 93 /US1/ST3 over HWY Granite Ave built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1986.

What condition is I 93 /US1/ST3 over HWY Granite Ave 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 April 2024.

How much traffic does I 93 /US1/ST3 over HWY Granite Ave carry?

About 99,184 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is I 93 /US1/ST3 over HWY Granite Ave?

The structure is 145 ft (44.2 m) long with a longest span of 71 ft (21.6 m) and a deck 128 ft wide.

Who owns I 93 /US1/ST3 over HWY Granite Ave?

It is owned by the State Highway Agency.