US Bridges

I 91 NB over I 91 Rmp a Tpk Conn

Fair

Hampden County, Massachusetts · Mm 11.5 on I-91 NB · Structure no. H210580Y5DOTNBI

Built
1967
58 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
124 ft
2 main spans
Daily traffic
36,164
2018 count
Owner
State
State Highway Agency

About this bridge

I 91 NB over I 91 Rmp a Tpk Conn is a steel stringer/multi-beam or girder carrying I 91 NB over I 91 Rmp a Tpk Conn in Hampden County, Massachusetts. It was built in 1967, so it is 58 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 36,164 vehicles a day, roughly 10% of them trucks, projected to reach 93,179 by 2032. The structure is 124 ft (37.8 m) long and 56 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI 91 NB
CrossesI 91 Rmp a Tpk Conn
LocationMm 11.5 on I-91 NB
RouteInterstate 91
CountyHampden County
StateMassachusetts
Coordinates42.16233, -72.64608
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 inspectionJune 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.2 US tons
Inventory rating37.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length124 ft (37.8 m)
Longest span59 ft (18.1 m)
Deck width56 ft (17.1 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,164 (2018)
Projected traffic93,179 by 2032
Trucks10%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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$6.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 91 NB over I 91 Rmp a Tpk Conn built?

It was built in 1967, making it 58 years old in 2025.

What condition is I 91 NB over I 91 Rmp a Tpk Conn 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 June 2023.

How much traffic does I 91 NB over I 91 Rmp a Tpk Conn carry?

About 36,164 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is I 91 NB over I 91 Rmp a Tpk Conn?

The structure is 124 ft (37.8 m) long with a longest span of 59 ft (18.1 m) and a deck 56 ft wide.

Who owns I 91 NB over I 91 Rmp a Tpk Conn?

It is owned by the State Highway Agency.