US Bridges

HWY Flynt ST over I 90

Fair

Hampden County, Massachusetts · Mm 64.5 on I-90 · Structure no. P010544MBDOTNBI

Built
1957
68 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
198 ft
4 main spans
Daily traffic
1,422
2019 count
Owner
State
State Highway Agency

About this bridge

HWY Flynt ST over I 90 is a steel stringer/multi-beam or girder carrying HWY Flynt ST over I 90 in Hampden County, Massachusetts. It was built in 1957, so it is 68 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 1,422 vehicles a day, roughly 9% of them trucks, projected to reach 632 by 2031. The structure is 198 ft (60.3 m) long and 32 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

Open in Google Maps
CarriesHWY Flynt ST
CrossesI 90
LocationMm 64.5 on I-90
RouteCity Street 0
CountyHampden County
StateMassachusetts
Coordinates42.17052, -72.29966
Functional classUrban Local

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.
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 inspectionMay 2024
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 rating46.4 US tons
Inventory rating27.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length198 ft (60.3 m)
Longest span54 ft (16.6 m)
Deck width32 ft (9.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,422 (2019)
Projected traffic632 by 2031
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed16.2 mi (26 km)
TollOn a free road
National Highway SystemNo

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$5.8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Flynt ST over I 90 built?

It was built in 1957, making it 68 years old in 2025.

What condition is HWY Flynt ST over I 90 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 May 2024.

How much traffic does HWY Flynt ST over I 90 carry?

About 1,422 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is HWY Flynt ST over I 90?

The structure is 198 ft (60.3 m) long with a longest span of 54 ft (16.6 m) and a deck 32 ft wide.

Who owns HWY Flynt ST over I 90?

It is owned by the State Highway Agency.