US Bridges

HWY Liberty ST over I 291 /US20

Fair

Hampden County, Massachusetts · Mm 1.5 on I-291 · Structure no. S2406813JDOTNBI

Built
1967
58 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
210 ft
2 main spans
Daily traffic
18,300
2003 count
Owner
State
State Highway Agency

About this bridge

HWY Liberty ST over I 291 /US20 is a steel continuous stringer/multi-beam or girder carrying HWY Liberty ST over I 291 /US20 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 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 18,300 vehicles a day, roughly 12% of them trucks, projected to reach 28,901 by 2032. The structure is 210 ft (64 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHWY Liberty ST
CrossesI 291 /US20
LocationMm 1.5 on I-291
RouteCity Street 0
CountyHampden County
StateMassachusetts
Coordinates42.11806, -72.58494
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.7 US tons
Inventory rating32.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length210 ft (64 m)
Longest span102 ft (31.1 m)
Deck width45 ft (13.8 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,300 (2003)
Projected traffic28,901 by 2032
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 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$8.7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Liberty ST over I 291 /US20 built?

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

What condition is HWY Liberty ST over I 291 /US20 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 January 2025.

How much traffic does HWY Liberty ST over I 291 /US20 carry?

About 18,300 vehicles per day (2003 count), of which roughly 12% are trucks.

How long is HWY Liberty ST over I 291 /US20?

The structure is 210 ft (64 m) long with a longest span of 102 ft (31.1 m) and a deck 45 ft wide.

Who owns HWY Liberty ST over I 291 /US20?

It is owned by the State Highway Agency.