US Bridges

US 5 NB Ramp a over I 91

Fair

Hampden County, Massachusetts · @ Mm 4.2 on I-91 · Structure no. S240420WEDOTNBI

Built
1954
71 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
116 ft
2 main spans
Daily traffic
14,919
2023 count
Owner
State
State Highway Agency

About this bridge

US 5 NB Ramp a over I 91 is a steel stringer/multi-beam or girder carrying US 5 NB Ramp a over I 91 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 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 14,919 vehicles a day, roughly 4% of them trucks, projected to reach 22,110 by 2031. The structure is 116 ft (35.4 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesUS 5 NB Ramp a
CrossesI 91
Location@ Mm 4.2 on I-91
RouteU.S. Route 5
CountyHampden County
StateMassachusetts
Coordinates42.08262, -72.57914
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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.8 US tons
Inventory rating31.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length116 ft (35.4 m)
Longest span56 ft (17 m)
Deck width38 ft (11.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,919 (2023)
Projected traffic22,110 by 2031
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 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$4.1 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 5 NB Ramp a over I 91 built?

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

What condition is US 5 NB Ramp a over I 91 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 US 5 NB Ramp a over I 91 carry?

About 14,919 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is US 5 NB Ramp a over I 91?

The structure is 116 ft (35.4 m) long with a longest span of 56 ft (17 m) and a deck 38 ft wide.

Who owns US 5 NB Ramp a over I 91?

It is owned by the State Highway Agency.