US Bridges

I 91 SB on Ramp over ST141 EB

Fair

Hampden County, Massachusetts · Mm 15.2 on I-91 SB · Structure no. H210550YHDOTNBI

Built
1965
60 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
182 ft
3 main spans
Daily traffic
5,379
2015 count
Owner
State
State Highway Agency

About this bridge

I 91 SB on Ramp over ST141 EB is a steel stringer/multi-beam or girder carrying I 91 SB on Ramp over ST141 EB in Hampden 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 5,379 vehicles a day, roughly 5% of them trucks, projected to reach 15,161 by 2032. The structure is 182 ft (55.5 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesI 91 SB on Ramp
CrossesST141 EB
LocationMm 15.2 on I-91 SB
RouteInterstate 91
CountyHampden County
StateMassachusetts
Coordinates42.21184, -72.63414
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
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 alignment7: Better than present minimum criteria
Operating rating62.8 US tons
Inventory rating37.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length182 ft (55.5 m)
Longest span71 ft (21.6 m)
Deck width28 ft (8.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,379 (2015)
Projected traffic15,161 by 2032
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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$1.6 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 91 SB on Ramp over ST141 EB built?

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

What condition is I 91 SB on Ramp over ST141 EB 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 October 2023.

How much traffic does I 91 SB on Ramp over ST141 EB carry?

About 5,379 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is I 91 SB on Ramp over ST141 EB?

The structure is 182 ft (55.5 m) long with a longest span of 71 ft (21.6 m) and a deck 28 ft wide.

Who owns I 91 SB on Ramp over ST141 EB?

It is owned by the State Highway Agency.