US Bridges

ST 57 EB over ST 75 Suffield ST

Fair

Hampden County, Massachusetts · Mm 43.0 on ST 57 EB · Structure no. A0502111UDOTNBI

Built
1961
64 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
165 ft
3 main spans
Daily traffic
13,707
2016 count
Owner
State
State Highway Agency

About this bridge

ST 57 EB over ST 75 Suffield ST is a steel stringer/multi-beam or girder carrying ST 57 EB over ST 75 Suffield ST in Hampden County, Massachusetts. It was built in 1961, so it is 64 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 13,707 vehicles a day, roughly 4% of them trucks, projected to reach 34,981 by 2032. The structure is 165 ft (50.3 m) long and 48 ft wide.

Location

Open in Google Maps
CarriesST 57 EB
CrossesST 75 Suffield ST
LocationMm 43.0 on ST 57 EB
RouteState Highway 57
CountyHampden County
StateMassachusetts
Coordinates42.07381, -72.63062
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.4 US tons
Inventory rating19.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length165 ft (50.3 m)
Longest span94 ft (28.7 m)
Deck width48 ft (14.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,707 (2016)
Projected traffic34,981 by 2032
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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$7.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST 57 EB over ST 75 Suffield ST built?

It was built in 1961, making it 64 years old in 2025.

What condition is ST 57 EB over ST 75 Suffield ST 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 April 2024.

How much traffic does ST 57 EB over ST 75 Suffield ST carry?

About 13,707 vehicles per day (2016 count), of which roughly 4% are trucks.

How long is ST 57 EB over ST 75 Suffield ST?

The structure is 165 ft (50.3 m) long with a longest span of 94 ft (28.7 m) and a deck 48 ft wide.

Who owns ST 57 EB over ST 75 Suffield ST?

It is owned by the State Highway Agency.