US Bridges

HWY Burke Flat over I 91

Fair

Franklin County, Massachusetts · Mm 51.6 on I-91 · Structure no. B10014137DOTNBI

Built
1958
67 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
258 ft
5 main spans
Daily traffic
1,164
2018 count
Owner
State
State Highway Agency

About this bridge

HWY Burke Flat over I 91 is a steel continuous stringer/multi-beam or girder carrying HWY Burke Flat over I 91 in Franklin County, Massachusetts. It was built in 1958, so it is 67 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 1,164 vehicles a day, roughly 5% of them trucks, projected to reach 632 by 2031. The structure is 258 ft (78.7 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesHWY Burke Flat
CrossesI 91
LocationMm 51.6 on I-91
RouteCity Street 0
CountyFranklin County
StateMassachusetts
Coordinates42.6876, -72.54272
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.8 US tons
Inventory rating36.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length258 ft (78.7 m)
Longest span61 ft (18.6 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,164 (2018)
Projected traffic632 by 2031
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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$8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Burke Flat over I 91 built?

It was built in 1958, making it 67 years old in 2025.

What condition is HWY Burke Flat 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 July 2024.

How much traffic does HWY Burke Flat over I 91 carry?

About 1,164 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is HWY Burke Flat over I 91?

The structure is 258 ft (78.7 m) long with a longest span of 61 ft (18.6 m) and a deck 34 ft wide.

Who owns HWY Burke Flat over I 91?

It is owned by the State Highway Agency.