US Bridges

I 91 NB over ST 2 EB Rotary

Fair

Franklin County, Massachusetts · Mm 43.0 on I-91 NB · Structure no. G120590XJDOTNBI

Built
1965
60 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
94 ft
1 main span
Daily traffic
7,667
2024 count
Owner
State
State Highway Agency

About this bridge

I 91 NB over ST 2 EB Rotary is a steel stringer/multi-beam or girder carrying I 91 NB over ST 2 EB Rotary in Franklin County, Massachusetts. It was built in 1965, so it is 60 years old, younger 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 7,667 vehicles a day, roughly 11% of them trucks, projected to reach 16,745 by 2033. The structure is 94 ft (28.5 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI 91 NB
CrossesST 2 EB Rotary
LocationMm 43.0 on I-91 NB
RouteInterstate 91
CountyFranklin County
StateMassachusetts
Coordinates42.58455, -72.62147
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.3 US tons
Inventory rating42.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length94 ft (28.5 m)
Longest span90 ft (27.4 m)
Deck width44 ft (13.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,667 (2024)
Projected traffic16,745 by 2033
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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$815,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 91 NB over ST 2 EB Rotary built?

It was built in 1965, making it 60 years old in 2025.

What condition is I 91 NB over ST 2 EB Rotary 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 January 2024.

How much traffic does I 91 NB over ST 2 EB Rotary carry?

About 7,667 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is I 91 NB over ST 2 EB Rotary?

The structure is 94 ft (28.5 m) long with a longest span of 90 ft (27.4 m) and a deck 44 ft wide.

Who owns I 91 NB over ST 2 EB Rotary?

It is owned by the State Highway Agency.