US Bridges

I 91 Ramp C over I 91 & Rmp a to US 5 NB

Fair

Hampden County, Massachusetts · JCT I-91 · Structure no. S240430WDDOTNBI

Built
1954
71 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
205 ft
4 main spans
Daily traffic
12,790
2023 count
Owner
State
State Highway Agency

About this bridge

I 91 Ramp C over I 91 & Rmp a to US 5 NB is a steel stringer/multi-beam or girder carrying I 91 Ramp C over I 91 & Rmp a to US 5 NB in Hampden County, Massachusetts. It was built in 1954, so it is 71 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 12,790 vehicles a day, roughly 4% of them trucks, projected to reach 24,795 by 2031. The structure is 205 ft (62.5 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI 91 Ramp C
CrossesI 91 & Rmp a to US 5 NB
LocationJCT I-91
RouteU.S. Route 5
CountyHampden County
StateMassachusetts
Coordinates42.08186, -72.57894
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.1 US tons
Inventory rating28.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length205 ft (62.5 m)
Longest span64 ft (19.4 m)
Deck width36 ft (11 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,790 (2023)
Projected traffic24,795 by 2031
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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$6.7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 91 Ramp C over I 91 & Rmp a to US 5 NB built?

It was built in 1954, making it 71 years old in 2025.

What condition is I 91 Ramp C over I 91 & Rmp a to US 5 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 August 2024.

How much traffic does I 91 Ramp C over I 91 & Rmp a to US 5 NB carry?

About 12,790 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is I 91 Ramp C over I 91 & Rmp a to US 5 NB?

The structure is 205 ft (62.5 m) long with a longest span of 64 ft (19.4 m) and a deck 36 ft wide.

Who owns I 91 Ramp C over I 91 & Rmp a to US 5 NB?

It is owned by the State Highway Agency.