US Bridges

ST 2 WB Ramp 5S2W over I 91 NB

Fair

Franklin County, Massachusetts · Mm 45.7 on I-91 NB · Structure no. G12046156DOTNBI

Built
1965
60 years old, rebuilt 1992
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
185 ft
3 main spans
Daily traffic
5,524
2019 count
Owner
State
State Highway Agency

About this bridge

ST 2 WB Ramp 5S2W over I 91 NB is a steel stringer/multi-beam or girder carrying ST 2 WB Ramp 5S2W over I 91 NB in Franklin County, Massachusetts. It was built in 1965 and reconstructed in 1992, 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 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 5,524 vehicles a day, roughly 4% of them trucks, projected to reach 11,845 by 2032. The structure is 185 ft (56.3 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesST 2 WB Ramp 5S2W
CrossesI 91 NB
LocationMm 45.7 on I-91 NB
RouteState Highway 2
CountyFranklin County
StateMassachusetts
Coordinates42.61567, -72.59411
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
Deck7 GoodSome minor problems.
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 inspectionDecember 2023
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 alignment8: Equal to present desirable criteria
Operating rating89.1 US tons
Inventory rating53.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length185 ft (56.3 m)
Longest span91 ft (27.7 m)
Deck width28 ft (8.6 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,524 (2019)
Projected traffic11,845 by 2032
Trucks4%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$4.8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST 2 WB Ramp 5S2W over I 91 NB built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1992.

What condition is ST 2 WB Ramp 5S2W over I 91 NB 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 December 2023.

How much traffic does ST 2 WB Ramp 5S2W over I 91 NB carry?

About 5,524 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is ST 2 WB Ramp 5S2W over I 91 NB?

The structure is 185 ft (56.3 m) long with a longest span of 91 ft (27.7 m) and a deck 28 ft wide.

Who owns ST 2 WB Ramp 5S2W over I 91 NB?

It is owned by the State Highway Agency.